= 10) and records the following numbers of error in each
article: 0, 4, 2, 8, 2, 3, 1, 0, 5, and 7.
a. Compute the mean, median, mode, sum of squares (SS),
the variance, and the standard deviation for this sample using
the definitional and computational formulas. You may use
Microsoft® Excel® data anlysis to compute these statistics
and copy your output into this worksheet.
Explain, to a person who has never had a course in statistics
what you have done.
b. Note the ways in which the means and standard