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: Which of the following is not an assumption for the Pearson’s correlation analysis?

  1. Normally distributed variables
  2. Monotonic relationship
  3. Linear relationship
  4. Constant variance

Ans: B

2: What is the primary purpose of Pearson’s and Spearman’s correlation coefficients?

  1. Examining the relationship between two noncategorical variables
  2. Identifying deviations from normality for continuous variables
  3. Examining the relationship between two categorical variables
  4. Comparing means across group

Ans: A

3: Which of the following would be considered a very strong negative correlation?

  1. .89
  2. –.09
  3. –.89
  4. .09

Ans: C

4: What percentage of the variance is shared if two variables are correlated at .4?

  1. 40%
  2. 4%
  3. 8%
  4. 16%

Ans: D

5: Which test is used to determine whether a correlation coefficient is statistically significant?

  1. Paired samples t-test
  2. Chi-squared test
  3. One-sample t-test
  4. P-value

Ans: C