The following table shows the number of complaints received each day by a customer service department over the past 40 days. These data can also be found in the Excel file complaints.xlsx.
8 10 8 2 4 13 23 10 6 3 18 16 11 3 3 17 12 8 10 6 3 19 9 10 21 11 8 10 0 7 20 13 18 3 5 19 2 8 10 9 a. Using the 2k Ú n rule, construct a frequency distribution for these data.
b. Using the results from part a, calculate the relative frequencies for each class.
c. Using the results from part a, calculate the cumulative relative frequencies for each class.
d. Construct a histogram for these data.

AppendixLO1