Which one of the following is TRUE about descriptive statistics?
A) They are relatively unimportant for interpreting test scores.
B) They are rarely used to describe test scores.
C) They summarize a distribution of test scores using numbers.
D) They are useful only for ratio scales.

Question

Quizplus · Accepted Answer

Descriptive statistics summarize a distribution of test scores using numbers such as measures of central tendency (mean, median, mode), measures of variability (range, variance, standard deviation), and measures of the shape of the distribution (skewness, kurtosis). They are essential for interpreting and understanding test scores.

Which One of the Following Is TRUE About Descriptive Statistics