A random sample of 20 people found that the number of mail-order catalogs that each had received in the last month were (in order from lowest to highest):
0 0 2 3 8 9 16 24 37 38 41 43 51 52 60 61 61 65 66 73
a) Find the range, mean, median, and mode of the data set
b) What proportion of the data is within 1 standard deviation of the sample mean?
c) Construct a histogram using classes of size 10.