________is the exact average deviation of data values from the mean in squared units, and _____________is the approximate average deviation of data values from the mean in regular units.
A) Standard deviation; variance
B) Effect size; correlation
C) Variance; standard deviation
D) Negative correlation; positive correlation

Question

Quizplus · Accepted Answer

Variance is the measure of the average degree to which each number is different from the mean, expressed in squared units. Standard deviation is the square root of the variance, providing an approximation of the average deviation of the data values from the mean in the same units as the data.

________Is the Exact Average Deviation of Data Values from the Mean