The distribution of the number of hours that a random sample of people spend doing chores per week is shown in the pie chart. Use 32 as the midpoint
for "30+ hours." Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the
data set
Click the icon to view the pie chart
First construct the frequency distribution.
Class Frequency, f
0-4
5-9
10-14
15-19
20-24
25-29
30+
CIB
4