# Question: A data set on monthly expenditures rounded to the nearest

A data set on monthly expenditures (rounded to the nearest dollar) incurred on fast food by a sample of 500 households has a minimum value of $3 and a maximum value of $147. Suppose we want to group these data into six classes of equal widths.

a. Assuming that we take the lower limit of the first class as $1 and the upper limit of the sixth class as $150, write the class limits for all six classes.

b. Determine the class boundaries and class widths.

c. Find the class midpoints.

a. Assuming that we take the lower limit of the first class as $1 and the upper limit of the sixth class as $150, write the class limits for all six classes.

b. Determine the class boundaries and class widths.

c. Find the class midpoints.

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