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4.A random sample of50 households in a region and the frequency distribution of the number of computers per household is given. Xfx*f 09 119 215

4.A random sample of50 households in a region and the frequency distribution of the number of computers per household is given.

Xfx*f

119

215

a) Find the mean and the median number of computers per family using the given frequency distribution .

Show steps. Are the mean and the median you got exact or approximate?

b) Make a histogram. Describe the shape of the distribution

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