Self-Graded Chapter Practice Quiz

Describing Data Using Numerical Measures

Covers measures of center and location (mean, median, mode, weighted mean, percentiles, quartiles, IQR), measures of variation (range, variance, standard deviation, coefficient of variation), and using the mean and standard deviation together (z-scores, Chebyshev's Theorem, the Empirical Rule, and outlier detection). Submit for instant grading — every question reveals a full answer key explaining why the correct answer is correct and why the others are wrong.

Total: 22 points Time limit: 30 minutes Questions: 14 Format: 11 MCQ + 3 Short Answer

Sections covered: 3.1 Measures of Center and Location · 3.2 Measures of Variation · 3.3 Mean and Standard Deviation Together (z-scores, Chebyshev's Theorem, the Empirical Rule).

Multiple Choice

11 points · 1 each

Short Answer

11 points

0 / 22

Review the answer key on each question above for anything you missed.

0/11MCQ 0/11Short Answer