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A/B Testing

Algorithms

Analytics

Machine Learning

Probability

Product Metrics

Python

Statistics

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Suppose there exists a new airline named Jetco that flies domestically across North America. Jetco recently had a study commissioned that tested the boarding time of every airline, and it came out that Jetco had the fastest average boarding times of any airline.

What factors could have biased this result, and what would you look into?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

Boarding Times Bias

A new airline came out as the fastest average boarding times compared to other airlines.  What factors could have biased this result and what would you look into?

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 you work for a social media company that has just done a launch in a new city. Looking at weekly metrics, you see a slow decrease in the average number of comments per user from January to March in this city.

The company has been consistently growing new users in the city from January to March.

What are some reasons why the average number of comments per user would be decreasing and what metrics would you look into?

What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?

What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?

Decreasing Comments

How would you investigate a decline in the average number of comments per user?

Panasonic Salaries by Position

Job Description:OverviewDo you want to join a team that's changing the world? Do you have a strong background as a Manufacturing Engineering Manager? Then we're looking for you! Check out the job description and apply now! Put your skills to meaningful use, gain unique experience, and work with world-class team members with diverse backgrounds and expertise who share the same vision. Join the PECNA team today! ResponsibilitiesMeet the Recruiter: Eric LaffeySummary: Join us at Panasonic Energy as we expand to De Soto, Kansas, where we're building the world's largest lithium-ion battery factory. This is an exciting opportunity to grow your career while contributing to the future of electric vehicles. As part of our team, you'll help push the limits of battery technology, enhancing performance and efficiency in sustainable transportation.Our state-of-the-art facility, just outside the Kansas City Metro, will be a hub for innovation in green energy solutions. If you're passionate about sustainability and eager to contribute to the electric vehicle revolution, we invite you to be part of our dynamic team. Join us and make a meaningful impact on the future of energy and transportation.Job Summary:The Manufacturing Engineering Manager leads a team of engineers to drive innovation and continuous improvement in commercial-scale battery cell manufacturing. This role is responsible for overseeing material introductions, process enhancements, and new battery model implementations to achieve world-class quality, safety, and efficiency. The Manager collaborates closely with leadership to align engineering efforts with organizational goals and promote sustainable growth. Strong people management and technical expertise are essential to coach the team, optimize production, and leverage data-driven insights for operational excellence.Essential Duties:Functional Leadership &amp; Operations:nOversee and participate in material introduction, experimentation, and process improvement for cell manufacturing processes on a commercial scalenAnalyze and optimize production processes to ensure safety, maximize Overall Equipment Effectiveness (OEE), and achieve world-class quality levels cost-effectivelynApply technical expertise to innovate, design, and develop processes, procedures, equipment, tooling, and cell formulationsnEnable data-driven operational and financial decisions through predictive insights on tool and process performance, including integrating factory data systems and utilizing MySQL, Python, JMP, Tableau, and Ignition softwarenCreate and maintain standard work instructions for assigned processesnMonitor and audit manufacturing processes to ensure product specifications and standards are achievednnStrategic Alignment &amp; Continuous Improvement:nCollaborate with the General Manager to establish systems and standards promoting sustainability and growth in technical, organizational, and people development areasnLead continuous improvement projects (CIP) to maximize yield, capacity, and capabilitynUtilize structured problem-solving techniques such as Design of Experiments (DoE), Five Whys (5W), and Eight Disciplines (8D)nMonitor and reduce process variation using techniques such as Statistical Process Control (SPC) and Measurement Systems Analysis (MSA)nnTeam Development &amp; Knowledge Sharing:nLead the engineering team in developing and implementing advanced measurement and control systems to enhance OEE, product quality, and reliability continuouslynInterview, hire, and train employees; plan, assign, and direct work; appraise performance; reward and discipline employees; and address complaints and resolve problemsnnCross-Functional Collaboration &amp; Stakeholder Engagement:Work with cross-functional teams to develop, validate, and improve manufacturing equipment and design manufacturabilitynQuality, Safety, Compliance, &amp; Risk Management: Lead the development and maintenance of FMEAs and Control PlansnSupervisory Responsibilities: This position provides direct supervision to engineering staff, including responsibility for hiring, onboarding, performance evaluation, coaching, and disciplinary actionsnTravel Requirement: Minimal travel required; primarily between company sitesnPersonal Protective Equipment (PPE) Requirements:To ensure health and safety in the workplace and for employee protection, wearing PPE is required and includes equipment such as a full Tyvek suit, safety shoes, gloves, safety glasses, face mask, and a full hazmat suit that includes a respirator. A respirator fit test will be required based on functional area.nThe foregoing description is not intended and should not be construed to be an exhaustive list of all responsibilities, skills, efforts, or work conditions associated with the job. It is intended to be an accurate reflection of the general nature and level of the job. In addition, employees are expected to participate in cross-training and may be assigned responsibilities in other areas as business needs evolve. QualificationsQualifications:Required:Bachelor's Degree in Chemical, Electrical, Materials, Mechanical Engineering, or related disciplinenPreferred:nMaster's or Ph.D. in Chemical, Electrical, Materials, Mechanical Engineering, or related fieldnCertified Manufacturing Engineer (CMfgE - SME)nSix Sigma Black Belt or Master Black BeltnLean Manufacturing Certification (e.g., Lean Leader or Lean Enterprise Institute)nCertified Manager of Quality/Organizational Excellence (CMQ/OE - ASQ)nProject Management Professional (PMP)nnEssential Qualifications:n5years of progressive engineering experiencenStrong technical aptitude with demonstrated expertise in battery manufacturing processes and toolingnProficiency with data analytics and factory data systems, including experience using MySQL, Python, JMP, Tableau, Ignition, or equivalent tools to support data-driven decision-makingnProven ability to analyze complex production data and optimize processes for quality, safety, and efficiencynEffective leadership skills with a passion for developing and coaching teams, including experience managing engineers and technical staffnExcellent communication skills with working proficiency in English (reading, writing, speaking) to collaborate across global teamsnStrong analytic and decision-making abilities with the ability to influence and align cross-functional stakeholdersnAlignment with Panasonic's seven (7) core principles (contribution to society, fairness and honesty, cooperation and team spirit, untiring effort for improvement, courtesy and humility, adaptability, and gratitude)nnPreferred Qualifications:n7years of engineering experience in manufacturing, product development, design, or related fieldsn3years of experience in a management or technical leadership rolenExperience with battery manufacturing and high-speed robotic assembly processesnExperience working in high-volume manufacturing environments (e.g., 1Munits/day capacity)nStrong knowledge of regulatory, safety, and quality compliance standards (e.g., ISO, IATF, OSHA)nHands-on experience leading continuous improvement projects using Six Sigma, Lean Manufacturing, and structured problem-solving methods such as Design of Experiments (DoE), Five Whys (5W), and Eight Disciplines (8D)nProven ability to work cross-functionally and globally with resilience and adaptability in fast-paced environmentsnResilient, self-motivated, and able to perform well under pressurennPhysical Demands:Physical Activities: Percentage of time (equaling 100%) during the normal workday the employee is required to:nSit: 35%nWalk: 35%nStand: 30%nnRequired Lifting and Carrying: Rare (

Question	Topic	Difficulty	Ask Chance
Boarding Times Bias	Statistics	Medium	Very High
Hundreds of Hypotheses	Statistics	Medium	Very High
Decreasing Comments	Product Metrics	Easy	Very High

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