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You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

What is a key disadvantage of the F-test when compared to multiple t-tests?

What is a key disadvantage of the F-test when compared to multiple t-tests?

Hundreds of Hypotheses

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

Let’s say that your company is running a standard control and variant AB test on a feature to increase conversion rates on the landing page. The PM checks the results and finds a .04 p-value.

How would you assess the validity of the result?

Experiment Validity

In an A/B test, how can you check if assignment to the various buckets was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

Random Bucketing

Red Arch Solutions Salaries by Position

Position Overview: Red Arch Solutions is hiring a Software Engineer in Annapolis Junction, MD to support a priority program. The Software Engineer shall be responsible for collaborating with Product Owners, System Engineers, and Software Engineers to design, develop, test, troubleshoot, and sustain a mission-focused containerized enterprise web application in a Kubernetes environment. Responsibilities: <ul> <li>Designs, develops, tests, deploys, documents, maintains, and enhances complex and diverse software systems based upon documented requirements. These systems might include, but are not limited to, processing intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, business management information systems, and systems which incorporate data repositories, data transport services, and application and systems development and monitoring. </li><li>Works individually or as part of a team. </li><li>Reviews and tests software components for adherence to the design requirements and documents test results. </li><li>Resolves software problem reports. </li><li>Utilizes software development and software design methodologies appropriate to the development environment. </li><li>Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Open Source Software (OSS) and/or Commercial Off-The-Shelf (COTS) Government Off-The-Shelf (GOTS) software in place of new development, and requirements analysis and synthesis from system level to individual software components. </li><li>Developing in UNIX. Ability to perform shell scripting. </li><li>Use of Configuration Management (CM) tools and Web Services implementation. </li></ul>Requirements Basic Qualifications: <ul> <li>Master's degree in Computer Science or related discipline from an accredited college or university, plus three (3) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. </li></ul>OR Bachelor's degree in Computer Science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity OR Seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. <ul> <li>Experience with the Linux command line interface (CLI) </li><li>Experience developing Bash scripts </li><li>Recent software development experience using Python </li> <li>Willingness to learn the Django Web framework </li><li>Experience with containerization technologies such as Docker </li><li>Experience with SQL technologies such as MySQL </li> <li>Experience with RESTful API design and development </li><li>Experience with CI/CD principles, methodologies, and tools such as GitLab CI </li> <li>Experience with Git Source Control System </li><li>Active TS/SCI with Polygraph </li></ul>

Position Overview: Red Arch Solutions is hiring a Software Engineer in Annapolis Junction, MD to support a priority program. The Software Engineer shall be responsible for collaborating with Product Owners, System Engineers, and Software Engineers to design, develop, test, troubleshoot, and sustain a mission-focused containerized enterprise web application in a Kubernetes environment. Responsibilities: <ul><li>Designs, develops, tests, deploys, documents, maintains, and enhances complex and diverse software systems based upon documented requirements. These systems might include, but are not limited to, processing intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, business management information systems, and systems which incorporate data repositories, data transport services, and application and systems development and monitoring.</li><li>Works individually or as part of a team.</li><li>Reviews and tests software components for adherence to the design requirements and documents test results.</li><li>Resolves software problem reports.</li><li>Utilizes software development and software design methodologies appropriate to the development environment.</li><li>Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Open Source Software (OSS) and/or Commercial Off-The-Shelf (COTS) Government Off-The-Shelf (GOTS) software in place of new development, and requirements analysis and synthesis from system level to individual software components.</li><li>Developing in UNIX. Ability to perform shell scripting.</li><li>Use of Configuration Management (CM) tools and Web Services implementation.</li></ul> Requirements Basic Qualifications: <ul><li>Master's degree in Computer Science or related discipline from an accredited college or university, plus three (3) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.</li></ul> OR Bachelor's degree in Computer Science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity OR Seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. <ul><li>Experience with the Linux command line interface (CLI)</li><li>Experience developing Bash scripts</li><li>Recent software development experience using Python </li><li>Willingness to learn the Django Web framework</li><li>Experience with containerization technologies such as Docker</li><li>Experience with SQL technologies such as MySQL </li><li>Experience with RESTful API design and development</li><li>Experience with CI/CD principles, methodologies, and tools such as GitLab CI </li><li>Experience with Git Source Control System</li><li>Active TS/SCI with Polygraph</li></ul>

Position Overview:

Red Arch Solutions is hiring a Software Engineer in Annapolis Junction, MD to support a priority program. The Software Engineer shall be responsible for collaborating with Product Owners, System Engineers, and Software Engineers to design, develop, test, troubleshoot, and sustain a mission-focused containerized enterprise web application in a Kubernetes environment.

Responsibilities:
Designs, develops, tests, deploys, documents, maintains, and enhances complex and diverse software systems based upon documented requirements. These systems might include, but are not limited to, processing intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, business management information systems, and systems which incorporate data repositories, data transport services, and application and systems development and monitoring.
Works individually or as part of a team.
Reviews and tests software components for adherence to the design requirements and documents test results.
Resolves software problem reports.
Utilizes software development and software design methodologies appropriate to the development environment.
Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Open Source Software (OSS) and/or Commercial Off-The-Shelf (COTS) Government Off-The-Shelf (GOTS) software in place of new development, and requirements analysis and synthesis from system level to individual software components.
Developing in UNIX. Ability to perform shell scripting.
Use of Configuration Management (CM) tools and Web Services implementation.
Requirements

Basic Qualifications:     Master's degree in Computer Science or related discipline from an accredited college or university, plus three (3) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
OR

Bachelor's degree in Computer Science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity

OR

Seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.    Experience with the Linux command line interface (CLI)
Experience developing Bash scripts
Recent software development experience using Python
Willingness to learn the Django Web framework
Experience with containerization technologies such as Docker
Experience with SQL technologies such as MySQL
Experience with RESTful API design and development
Experience with CI/CD principles, methodologies, and tools such as GitLab CI
Experience with Git Source Control System
Active TS/SCI with Polygraph

Job Type Full-time Description Description Red Arch Solutions is a proven and effective small business IT integrator and consultant, recognized as a leading IT provider to the Federal Government, primarily focused within the Intelligence Community. We provide our customers with state-of-the-art tactical and strategic intelligence, systems, and software engineering solutions, solving some of the most pressing and unique intelligence community challenges related to national security. Our employees are exceptionally skilled professionals. We recruit individuals who are dedicated to collecting, analyzing, and disseminating critical information to national leaders. Our engineers design, develop, and deploy mission critical solutions to support our war fighters. We are also an official AWS Partner and are pleased to now offer Cloud Solutions Architecture and Engineering using Amazon Web Services. RAS will be maintaining and improving on our customer's current system and providing services and expertise to modernize using the latest cloud technologies. The Enterprise Data Platform (EDP) will facilitate the transition and retirement of duplicative and legacy data services and provide an automated, modernized, enterprise data platform within a secure environment. EDP will enable our customer to expose its data to a wider audience through a zero-trust based, data centric architecture and a robust data governance policy/implementation approach, freeing data from data silos and allowing more users to gain valuable insights from customer data assets. Position Overview: The Software Engineer will provide technical expertise for design, development, implementation, information storage and retrieval, data flow and analysis. Develop relational and/or Object-Oriented databases, database parser software, and database loading software. Project long-range requirements for database administration and design. Responsible for developing a a structure that fits into the overall architecture of the system under development. #cj Requirements Qualifications: <ul><li>20 years of experience or 16 years + bachelors degree or 14 years + masters degree. </li><li>Experience developing, maintaining, and enhancing complex and diverse software systems based upon documented requirements. </li><li>Experience with Oracle products and tools such as Apex, Golden Gate, and Data Guard</li><li>Older version experience with Oracle is acceptable </li></ul> Desired: <ul><li>Oracle and/or Cloud certifications and experience </li></ul>

Job Type Full-time Description Position Overview: Red Arch is hiring a Software Engineer in Annapolis Junction, MD to support a team providing several containerized services that customers can provision and access on demand inside of a Kubernetes cluster. Some of the services include Gitlab CI/CD, Jupyter Notebooks, MinIO, and several other products. The Software Engineer shall perform maintenance and troubleshooting of containerized applications, upgrade services, assist customers using the tool and develop any required software for new functionality and services. In addition, the Software Engineer shall provide customer support to customers across several channels and via help desk tickets. Responsibilities: <ul><li>Designs, develops, tests, deploys, documents, maintains, and enhances complex and diverse software systems based upon documented requirements.</li><li>These systems might include, but are not limited to, processing intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, business management information systems, and systems which incorporate data repositories, data transport services, and application and systems development and monitoring.</li><li>Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports.</li><li>Utilizes software development and software design methodologies appropriate to the development environment.</li><li>Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Open Source Software (OSS) and/or Commercial Off The-Shelf (COTS) Government Off-The-Shelf (GOTS) software in place of new development, and requirements analysis and synthesis from system level to individual software components.</li><li>Experience developing in Unix. Ability to perform shell scripting.</li><li>Working knowledge of Configuration Management (CM) tools and Web Services implementation.</li></ul> Requirements Basic Qualifications: Master's degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. OR Bachelor's degree in computer science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity OR Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. <ul><li>Experience using the Linux CLI</li><li>Experience with Bash/Python scripting.</li><li>Experience with creating Helm Charts for Kubernetes</li><li>Experience with developing services on Kubernetes.</li><li>Experience creating containerized applications/services using Docker.</li><li>Experience providing customer outreach and troubleshooting support.</li><li>Active TS/SCI with Polygraph.</li></ul> Nice to Haves: <ul><li>Experience with Jupyter Notebooks</li><li>Experience with Gitlab CI/CD pipelines</li><li>Experience updating containerized applications to address STE/STN requirements</li><li>Experience developing with REST APIs</li><li>Experience with the Atlassian Tool suite (Bitbucket, Confluence, Jira)</li><li>Willingness to demonstrate functionality to the CCE user community as needed</li><li>Willingness to learn new languages and technologies, such as AWS</li></ul> Salary Description 160,000.00-205,000.00

Position Overview: Red Arch Solutions is hiring a Software Engineer in Annapolis Junction, MD to support a priority program. The Software Engineer shall be responsible for collaborating with Product Owners, System Engineers, and Software Engineers to design, develop, test, troubleshoot, and sustain a mission-focused containerized enterprise web application in a Kubernetes environment. Responsibilities:
Designs, develops, tests, deploys, documents, maintains, and enhances complex and diverse software systems based upon documented requirements. These systems might include, but are not limited to, processing intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, business management information systems, and systems which incorporate data repositories, data transport services, and application and systems development and monitoring.
Works individually or as part of a team.
Reviews and tests software components for adherence to the design requirements and documents test results.
Resolves software problem reports.
Utilizes software development and software design methodologies appropriate to the development environment.
Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Open Source Software (OSS) and/or Commercial Off-The-Shelf (COTS) Government Off-The-Shelf (GOTS) software in place of new development, and requirements analysis and synthesis from system level to individual software components.
Developing in UNIX. Ability to perform shell scripting.
Use of Configuration Management (CM) tools and Web Services implementation.
Requirements Basic Qualifications: Master's degree in Computer Science or related discipline from an accredited college or university, plus three (3) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
OR Bachelor's degree in Computer Science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity OR Seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. Experience with the Linux command line interface (CLI)
Experience developing Bash scripts
Recent software development experience using Python
Willingness to learn the Django Web framework
Experience with containerization technologies such as Docker
Experience with SQL technologies such as MySQL
Experience with RESTful API design and development
Experience with CI/CD principles, methodologies, and tools such as GitLab CI
Experience with Git Source Control System
Active TS/SCI with Polygraph

Job Type Full-time Description Position Overview: Red Arch is hiring a Software Engineer in Annapolis Junction, MD to support a team providing several containerized services that customers can provision and access on demand inside of a Kubernetes cluster. Some of the services include Gitlab CI/CD, Jupyter Notebooks, MinIO, and several other products. The Software Engineer shall perform maintenance and troubleshooting of containerized applications, upgrade services, assist customers using the tool and develop any required software for new functionality and services. In addition, the Software Engineer shall provide customer support to customers across several channels and via help desk tickets. Responsibilities: <ul> <li>Designs, develops, tests, deploys, documents, maintains, and enhances complex and diverse software systems based upon documented requirements. </li><li>These systems might include, but are not limited to, processing intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, business management information systems, and systems which incorporate data repositories, data transport services, and application and systems development and monitoring. </li><li>Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. </li><li>Utilizes software development and software design methodologies appropriate to the development environment. </li><li>Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Open Source Software (OSS) and/or Commercial Off The-Shelf (COTS) Government Off-The-Shelf (GOTS) software in place of new development, and requirements analysis and synthesis from system level to individual software components. </li><li>Experience developing in Unix. Ability to perform shell scripting. </li><li>Working knowledge of Configuration Management (CM) tools and Web Services implementation. </li></ul>Requirements Basic Qualifications: Master's degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. OR Bachelor's degree in computer science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity OR Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. <ul><li>Experience using the Linux CLI </li><li>Experience with Bash/Python scripting. </li><li>Experience with creating Helm Charts for Kubernetes </li><li>Experience with developing services on Kubernetes. </li><li>Experience creating containerized applications/services using Docker. </li><li>Experience providing customer outreach and troubleshooting support. </li><li>Active TS/SCI with Polygraph. </li></ul>Nice to Haves: <ul> <li>Experience with Jupyter Notebooks </li><li>Experience with Gitlab CI/CD pipelines </li><li>Experience updating containerized applications to address STE/STN requirements </li><li>Experience developing with REST APIs </li><li>Experience with the Atlassian Tool suite (Bitbucket, Confluence, Jira) </li><li>Willingness to demonstrate functionality to the CCE user community as needed </li><li>Willingness to learn new languages and technologies, such as AWS </li></ul> Salary Description 160,000.00-205,000.00

Red Arch Solutions Interview Questions

Red Arch Solutions Interview Guides

Red Arch Solutions Interview Questions

Red Arch Solutions Salaries by Position

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