Answer Statistics Questions for Spokeo DS Role Quiz

Q: Answer Statistics Questions for Spokeo DS Role Quiz

This question evaluates a candidate's understanding of core statistical concepts including probability distributions, confidence intervals, hypothesis testing, the Central Limit Theorem, and interpretation of p-values.

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Statistics & Math questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master statistics & math interviews.

Question

Timed Statistics Quiz: Short-Answer Concepts

Answer the following independent questions succinctly. Assume standard statistical definitions and that symbols have their usual meanings.

What are the expectation and variance of a Poisson(λ) distribution?
Given sample size n and known population standard deviation σ, write the 95% confidence interval for the population mean.
When should a two-sample t-test be used instead of a z-test?
State the Central Limit Theorem (CLT) and give one practical implication.
Interpret a p-value of 0.03 in the context of hypothesis testing.

Answer Statistics Questions for Spokeo DS Role Quiz

Timed Statistics Quiz: Short-Answer Concepts

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Answer Statistics Questions for Spokeo DS Role Quiz

Overview

Timed Statistics Quiz: Short-Answer Concepts

Solution

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