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(a) Draw the histogram.

(b) Find the sample relative frequencies.

(c) Find and interpret the sample cumulative relative frequencies.

(d) Estimate the sample mean fuel consumption.

(e) Estimate the sample standard deviation of fuel consumption.

(f) Estimate the sample median fuel consumption.

(g) Estimate the sample interquartile range.

(h) What is the modal class for this sample?

3 8. For households in a large town, the following information on incomes is available.

HOUSEHOLD INCOME ($)

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Lessons From The Intelligent Investor

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