The following histogram illustrates the masses, m kilograms, of the 216 sales of hay that a farmer made to customers last year.

a. Show that a calculated estimate of the mean is equal to the median.

b. Estimate the price per kilogram at which the hay was sold, given that these sales generated exactly $1944. Why is it possible that none of the customers actually paid this amount per kilogram for the hay?

Transcribed Image Text:

7.2 5.4- 3.6 1.8 30 40 50 60 70 80 jetCopy Mass (m kg) Frequency density