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Stem and Leaf Plot for Oil Usage

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The table below shows the number of gallons of heating oil delivered to a residential customer each December from 1986 to 1993.

Year 1986 1987 1988 1989 1990 1991 1992 1993
Gallons of oil 42 61 53 59 53 51 75 100

Make a stem-and - leaf plot of the data

Find the mean,median, and mode of the data.

Answer-------- (mean)
Answer----------(median)
Answer----------(mode)

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Solution Summary

Full solution includes stem and leaf plot as well as steps to how to determine mean, median, and mode.

Solution Preview

The mean is simply the sum of all the numbers divided by the number of years. Since there are 8 years, the mean is
(42 + 61 + 53 + 59 + 53 + 51 + 75 + 100)/8 = 61.75

The median is the middle value - but since the number of years is even ...

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