Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

12 Questions

0 Views

Central Limit Theorem Review

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the mean of the sampling distribution of means?

It is equal to the standard deviation of the population

It is equal to the mean of the population (correct)

It is equal to the variance of the population

It is always 0

What is the formula for the variance of the sampling distribution of means?

n/σ^2

σ^2/n (correct)

σ^2 × n

σ/n

What is the formula for the standard deviation of the sampling distribution of means?

n/σ

σ × √n

√(σ^2/n)

σ/(√n) (correct)

What is the condition for the sampling distribution of the mean to be normally distributed?

The sample size must be large enough Signup and view all the answers

What is the term 'with replacement' associated with in the Central Limit Theorem?

Random sampling with repetition Signup and view all the answers

What type of distribution is used when the sample size is small and the data variance is unknown?

t-distribution Signup and view all the answers

What type of test is used when looking for an 'increase' or 'decrease' in the parameter?

One-tailed test Signup and view all the answers

How do you adjust the sample size to find the value in the Table of t Critical Values?

df = n - 1 Signup and view all the answers

What is the confidence level in a hypothesis test?

The probability that the confidence interval contains the true population parameter Signup and view all the answers

What type of test is used when looking for a 'change' in the parameter?

Two-tailed test Signup and view all the answers

What is alpha (α) in a hypothesis test?

The level of significance Signup and view all the answers

What should you do when converting a percentage to a value in a hypothesis test?

Convert the percentage to a decimal Signup and view all the answers