Suppose we compute $S_{X}$ and find it is equal to 5.5.How do we interpret this number?
A)The numbers in the sample deviate, on the average, 5.5 units from one another.
B)The numbers in the sample deviate, on the average, 5.5 units from the two extreme scores.
C)The numbers in the sample deviate, on the average, 5.5 units from the mean.
D)The numbers in the sample deviate no more than 2.25 units from the mean.

Question

Quizplus · Accepted Answer

$S_{X}$ represents the standard deviation of a sample, which measures the average distance of each data point from the mean of the sample. Therefore, a standard deviation of 5.5 means that, on average, the numbers in the sample deviate 5.5 units from the mean.

Suppose We Compute SXS_{X}SX​ And Find It Is Equal to 5

Suppose We Compute $S_{X}$ And Find It Is Equal to 5