The resting pulse rates were recorded for 16 boys in gym class before they exercised. The following dot plot shows the results.

a. What is the range of the pulse rates?
b. How many boys had a pulse rate over 81?
c. How many boys had a pulse rate of 83?
d. How many boys had a pulse rate of at most 82?
e. Are there any outliers in this data?

The height’s of 20 basketball players, in inches, are given below.

\[\begin{array}{ | c | c | c | c | c | c | c| c | c | c |}\hline 68 & 70 & 70 & 71 & 75 & 80& 81& 82& 84& 75 \\ \hline 75& 80& 75& 77& 75& 80& 83& 80& 71& 70 \\ \hline \end{array}\] Make a dot plot and answer the following:
a. What is the spread (range) of the data?
b. What is the mode of the data?
c. How many players have height less than 80 inches?
d. How many players are greater than 70 inches tall?
e. Are there any outliers in this data?