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15. The frequency distribution table below shows the number of minutes students took to finish a Statistics test. (10 points) Number of Frequency minutes 40-

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15. The frequency distribution table below shows the number of minutes students took to finish a Statistics test. (10 points) Number of Frequency minutes 40- 49 9 50-59 14 60 -69 29 70 - 79 17 80 -89 7 90 - 99 5 a. Construct a relative frequency distribution of the data. (7) b. Contract a cumulative frequency distribution of the data. (7) c. Construct a histogram of the data. (7)

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