A randomly selelected group of individuals were asked how many marbles they believed were contained
in a sealed jar. The following frequency distribution summarizes the results. Complete the table by
determining the midpoints, relative frequencies, and cumulative frequencies.
You may answer using decimals to three places when necessary
Marbles
Frequency
Midpoints
1
40-47
48-55
56-63
64-71
72-79
3
12
6
11
What is the class width of this frequency distribution?
Relative Frequency
Cumulative Frequency