Author Question: Unlike descriptive statistics, all inferential statistics are grounded in _______. A) mathematics ... (Read 219 times)

PhilipSeeMore · **on:** Jun 19, 2018

Unlike descriptive statistics, all inferential statistics are grounded in _______.

A) mathematics
B) calculus
C) bimodal distributions
D) probability theory

Question 2

If a set of scores is normally distributed, then about ____ of the scores should fall within one standard deviation from the mean.

A) 25
B) half
C) 2/3
D) 95