Naomi asked several classmates how much cash they had in their pocket. She recorded the data below:

$1.50, $5, $9, $2, $0, $22, $4.75, $11.50, $4, $3, $7.50, $5, $0.75, $2.25, $8

A. Use the data to make a frequency table. Make the intervals go by 5's.

B. Use the frequency table to make a histogram.

C. One of your intervals should be "empty". What does the empty interval mean?