Consider the Following Sets of Scores: (1) 8, 8, 8

Short Answer

Consider the following sets of scores: (1) 8, 8, 8, 8, 8;(2)6, 6, 8, 10, 10; (3)4, 6, 8, 10, 12; (4)1004, 1006, 1008, 1010, 1012.
(a)Upon inspection, which show(s) the least variability? The most variability?
(b)For each set, compute the mean, and compute the variance and standard deviation directly from deviation scores.
(c)What do the results of (b) suggest about the relationship between central tendency and variability?