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Magazine Problem 4
Suppose the scale for a data set is changed by multiplying each observation by a positive constant. What is the effect on the median?
Problem 5
Suppose the scale for a data set is changed by multiplying each observation by a positive constant. What is the effect on the mode?
Problem 19
In an experiment that examined the effect of body position on blood pressure [8], 32 participants had their blood pressures measured while lying down with their arms at their sides and again standing with their arms supported at heart level. The data are given in Table \(2.16 .\) They are also available at I www.cengagebrain.com. Compute the arithmetic mean and median for the difference in systolic and diastolic blood pressure, respectively, taken in different positions (recumbent minus standing).
