style="font-size:17px;line-height:normal;white-space:normal;">Systolic blood pressure was measured (in units of mm Hg) during preventative health examinations on people in Dallas, Texas. Here are the measurements for a subset of these patients.
112, 128, 108, 129, 125, 153, 155, 132, 137
(a) What is the mean of this sample?
(b) What is the median of this sample?
(c) Compute the sum of squares using two
different formulas. Are they the same?
(d) What are the mean deviation, variance,
standard deviation, and coefficient of variation?