Multiple Choice Questions
Before completing the book’s Coder/Hacker chapter exercises, take this multiple-choice pre-test from the end of the chapter.
Next, visit the Coder and Hacker Chapter exercises page for more.
1: Chi-squared can be used to understand the relationship between
- any two variables.
- two categorical variables.
- two continuous variables.
- one categorical and one continuous variable.
2: Chi-squared is computed by first squaring the differences between
- observed frequencies and expected frequencies.
- observed frequencies and the total sample size.
- observed frequencies and observed percentages.
- expected values and observed percentages.
3: The chi-squared distribution often has what type of skew?
- Left
- Right
- It depends
- It is not skewed
4: To learn which cells are contributing the most to the size of a chi-squared statistic, compute
- the standardized residuals.
- the p-value.
- the odds ratio.
- Cramér’s V.
5: Which of the following is not an effect size for chi-squared?
- Cramér’s V
- Odds ratio
- Phi
- p-value