# Z Test & T Test: Similarities & Differences

Instructions:

question 1 of 3

### What are z-tests and t-tests?

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### 2. Which statistical method could you use when you have a normal distribution of the data?

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Although z-tests and t-tests are both useful when analyzing data, knowing when to use each type of test is necessary for obtaining valid results. This quiz and worksheet combination will check your understanding of when to use each type of test, and provide scenarios to determine practical application.

## Quiz & Worksheet Goals

You will need to be familiar with the following to pass this quiz:

• Purpose of z-tests and t-tests
• Which method to use with normal data distribution
• Practical application of the concept

## Skills Practiced

This quiz and worksheet will also provide practice in these areas:

• Reading comprehension - ensure that you draw the most important information from the related lesson on z-tests and t-tests
• Critical thinking - apply relevant concepts to examine information about data analysis in a different light
• Knowledge application - use your knowledge of data distribution and sample size to answer questions about the suitability of each test type