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Perkinelmer, Inc. Interview Questions

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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

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?

Let’s say we have a table with an <code>id</code> and <code>name</code> fields. The table holds over 100 million rows and we want to sample a random row in the table without throttling the database.

Write a query to randomly sample a row from this table.

Input:

<code>big_table</code> table

<table>
<thead>
<tr>
<th>Columns</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>name</code></td>
<td>VARCHAR</td>
</tr>
</tbody>
</table>

Write a query to randomly sample a row from a big table.

Random SQL Sample

Perkinelmer, Inc. Salaries by Position

When joining PerkinElmer, you select an experienced and trusted leader in scientific solutions, with the support of a global service network and distribution centers, providing the right solution, at the right time, to meet critical customer needs. With over an 80+ year legacy of advancing science and a mission of innovating for a healthier world, our dedicated team collaborates closely with commercial, government, academic and healthcare customers to deliver our broad portfolio of analytical solutions, and OneSource services. Job Title Product Manager, Global Material Characterization Consumables (Shelton, CT) Location(s) Shelton Purpose As a Consumables Product Manager, you will be responsible for defining the vision, strategy, and direction for our Material Characterization Consumables Product Portfolio. Your role involves ensuring alignment with overall business objectives, gathering customer insights, prioritizing product requirements, and guiding product development and procurement through the entire product life cycle. Responsibilities Product Strategy and Vision: <ul><li>Develop and communicate a clear product vision for our Material Characterization Consumables Product Portfolio. </li> <li>Define short-term and long-term product strategies to drive growth, profitability, and market share. </li> <li>Stay informed about industry trends, competitive landscape, and emerging technologies. </li> </ul>Product Roadmap: <ul><li>Collaborate with cross-functional teams (R&D, marketing, sales, and customer support) to create and maintain a comprehensive product roadmap. </li> <li>Prioritize new product launches based on customer needs, market demand, and business goals. </li> </ul>Financial Management: <ul> <li>Manage the financial performance of the Material Characterization Consumables Product Portfolio, including cost capacity planning for production, setting global base price, monitoring price performance, and ensuring profitability. </li></ul>Customer Insights: <ul><li>Conduct market research to understand customer pain points, needs, and preferences related to consumables products. </li> <li>Collect and analyze data from customer feedback, surveys, and market trends. </li> <li>Translate insights into actionable product improvements and innovations. </li> </ul>Sourcing & Procurement: <ul> <li>Work with procurement team to help source suppliers, set product requirements, support negotiations, manage vendors, and drive cost improvement. </li></ul>Go-to-Market Strategy: <ul><li>Collaborate with marketing and sales teams to create effective go-to-market plans. </li> <li>Support eCommerce for product portfolio </li><li>Develop pricing strategies, product positioning, and messaging. </li> <li>Support product launches, training, and promotional activities. </li></ul>Basic Characteristics: <ul> <li>Bachelor's degree in a relevant scientific field (chemistry, biochemistry, or related discipline). </li><li>5+ years in product management, preferably in scientific consumables or consumables intensive business. </li><li>Strong business acumen with proven track record driving revenue growth and market expansion in consumables. </li><li>Proven ability to drive profitability through vendor management, procurement optimization and SKU rationalization. </li><li>Fluency in eCommerce Technology </li><li>On site in Shelton, CT M-F </li></ul>Preferred Characteristics <ul> <li>Some knowledge of instrumentation IR (infrared analysis) or UV analysis or thermal analysis. </li><li>Material Characterization experience preferred but not required. </li><li>Excellent communication, leadership, and collaboration skills. </li> </ul> The annual compensation range for this full-time position is $118,040.00 - $145,000.00. The final base pay offered to the successful candidate will be determined by factors including internal equity, work location, as well as individual qualifications, such as job-related skills, experience, and relevant education or training. PerkinElmer is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability status, age, or veteran status or any other characteristics protected by applicable law. PerkinElmer is committed to a culturally diverse workforce.

Perkinelmer, Inc. Interview Questions

Perkinelmer, Inc. Interview Guides

Perkinelmer, Inc. Interview Questions

Perkinelmer, Inc. Salaries by Position

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