Understanding Standard Deviation in Psychology

Medium Unit 1: Scientific Foundations Statistical Analysis

In psychological research, understanding variability within data sets is essential to comprehending the overall findings. One common statistical measure used to quantify this variability is the standard deviation, which indicates how much scores in a dataset deviate from the mean.

Which of the following statements accurately describes standard deviation?

Standard deviation is the difference between the highest and lowest scores in a dataset.

Standard deviation indicates the average distance of scores from the mean.

Standard deviation is relevant only for normally distributed data.

Standard deviation only applies to categorical data.

Standard deviation is the measure of the central tendency of a data set.

Hint

Submitted14.9K

Correct7.2K

% Correct48%