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The final examination of a course requires an essay. The number of pages from a sample of 25 students were collected. The data are:

5 8 9 3 12 8 5 7 3 3 8 9 5 2 7 12 9 6 3 8 7 10 9 12 7

a) Construct a histogram. Describe its shape.

b) Draw a cumulative graph

c) Calculate the 65th percentile

d) Calculates the upper quartile and bottom quartile

e) Interpret the results in b, c and d.

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Category:- Statistics and Probability
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