WGU STATISTICS REVIEW PAPER 2026 COMPLETE QUESTION SET ACCURATE ANSWERS

WGU STATISTICS REVIEW PAPER 2026
COMPLETE QUESTION SET ACCURATE
ANSWERS

◉ numerical summary.
Answer: number used to describe a specific characteristic about a
data set.


◉ measure of central tendency.
Answer: summary measure used to describe an entire set of data
with one value that represents the middle or center of the data set's
distribution; mean, median, or mode.


◉ measures of the center.
Answer: mean, median, mode


◉ median.
Answer: resistant measure of center


◉ Interquartile Range.
Answer: measures difference between the 3rd and 1st quartile.

, ◉ Standard Deviation.
Answer: how far, on average, the data points are from the mean.


◉ five-number summary.
Answer: min, max, median, 1st quartile, 3rd quartile in a set of data.


◉ Standard Deviation Rule.
Answer: 68% of data will fall within 1 SD of the mean, 95% will fall
within 2 SD of mean, and 99.7% will fall within 3 SD of mean, 0.15%
will fall below 3SD.


◉ Standard deviation must be smaller than the range..
Answer: True


◉ second quartile.
Answer: median


◉ skewed data.
Answer: Range or IQR


◉ stem.
Answer: shape