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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?

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

A/B Testing & Experimentation

MEMS Engineering ManagerLocation: Netherlands Unity Partners exclusively on behalf of their partner Are you ready to take a key leadership role in a fast-growing, publicly listed tech innovator? Our partner is a global leader in MEMS-based timing technology and is expanding their R&D organization in the Netherlands. To support this growth, we are seeking a MEMS Engineering Manager to help scale the team, strengthen technical leadership, and drive next-generation MEMS development. About the RoleAs MEMS Engineering Manager, you will join an international R&D organisation of ~20 engineers (7 in the Netherlands), expected to grow to 30+ within the next year. You’ll report directly to the local site lead and initially manage a small group (1–2 direct reports), scaling to 5+ as the team expands. Your role blends technical leadership, people development, and hands-on MEMS expertise. You will contribute to resonator-based MEMS development for high-performance timing solutions and guide multiple active programs while shaping the longer-term technology roadmap. Key Responsibilities<ul><li>Lead, coach, and grow a high-performing MEMS development team.</li><li>Provide both strategic guidance and hands-on technical contributions in MEMS design, experiments, and characterization.</li><li>Quickly evaluate technical proposals and align development efforts with organisational priorities.</li><li>Drive the development of new MEMS technologies and enhance existing device performance.</li><li>Collaborate with cross-functional teams (circuits, systems, packaging) across global R&D sites.</li><li>Engage with external partners and foundries (approx. 10% of the role).</li><li>Foster a culture of openness, authenticity, and continuous learning.</li></ul> What You BringMust-have technical background:<ul><li>Strong expertise in MEMS. Ideally resonator-based timing solutions (gyroscopes, accelerometers, mass/airflow sensors also relevant).</li><li>PhD in Physics, Mechanical Engineering, Electrical Engineering, Computer Science, or related.</li><li>A Master’s degree with 4+ additional years of strong relevant industry experience will also be considered.</li><li>Proven experience leading engineering projects and small teams.</li><li>Hands-on background in MEMS design, lab work, experiment design, and preferably RF measurements.</li><li>Ability to mentor junior engineers and build scalable engineering processes.</li></ul> Soft skills and mindset:<ul><li>Clear, transparent communication;</li><li>Growth mindset, resilience, and comfort with ambiguity.</li><li>Passion for solving complex technical challenges in a rapidly growing environment.</li></ul> More information? Get in touch with Ivor Duif (Managing Partner) via ivor@unitypartners.nl or directly via +31(0) 20 89 38 606

Question	Topic	Difficulty	Ask Chance
Boarding Times Bias	Statistics	Medium	Very High
Hundreds of Hypotheses	Statistics	Medium	Very High
Random Bucketing	A/B Testing & Experimentation	Medium	Very High

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