Safaa Dabagh

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Pre-Assessment: Chi-Square Tests

Baseline Knowledge Check

Instructions

Purpose: This pre-assessment measures your current understanding of chi-square tests and categorical data analysis before you begin the module.

Questions: 5 multiple-choice questions
Time: Approximately 5-7 minutes
Grading: This is NOT graded - it's purely for measuring your learning gains
Honesty: Please answer based on your current knowledge without looking up answers
No pressure: It's perfectly fine if you don't know the answers yet - that's what the module is for!

What happens with your responses?

Your pre-assessment responses help us understand what you already know. After completing the module, you'll take a post-assessment with similar questions. Comparing the two shows how much you've learned!

What type of data is analyzed using chi-square tests?

A) Quantitative continuous data B) Categorical data C) Time series data D) Paired quantitative data

A researcher wants to test if a six-sided die is fair (all outcomes equally likely). Which chi-square test should they use?

A) Chi-square test of independence B) Chi-square goodness of fit test C) Chi-square test of homogeneity D) Chi-square regression test

In a contingency table with 3 rows and 4 columns, what are the degrees of freedom for a chi-square test?

A) 7 B) 6 C) 12 D) 11

A researcher surveys one random sample of college students and classifies them by major (STEM or non-STEM) and political affiliation (Democrat, Republican, or Independent). They want to know if major and political affiliation are related. Which test should they use?

A) Chi-square goodness of fit test B) Chi-square test of independence C) Chi-square test of homogeneity D) Two-sample t-test

Which of the following is a necessary condition for conducting valid chi-square tests?

A) The data must be normally distributed B) All expected frequencies must be at least 5 C) The sample size must be less than 30 D) The variables must be quantitative

Your responses will be recorded for learning analytics

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