Following Is the Five Number Summary of the Hourly Wages

Short Answer

Following is the five number summary of the hourly wages ($) for advertising /
promotion managers displayed in question 1. $$\begin{array} { | c | c | c | c | c | } \hline \text { Min } & \text { Q1 } & \text { Median } & \text { Q3 } & \text { Max } \\\hline 19.64 & 29.36 & 34.18 & 40.86 & 57.26 \\\hline\end{array}$$
a. Would you expect the mean salary for this sample of marketing managers to be higher
or lower than the median? Explain.
b. Which would be a more appropriate measure of central tendency for these data, the
mean or median? Explain.
c. Calculate the range.
d. Calculate the IQR.