MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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A town council commissioned a random sample of 85 households to estimate the number of four-wheel vehicles per household in the town. The results are shown in the following frequency table.
x | 0 | 1 | 2 | 3 | 4 | 5 |
f | 1 | 16 | 28 | 22 | 12 | 6 |
Construct a 99% confidence interval for the average number of four-wheel vehicles per household in the town.
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