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Question 2 The numbers of hours worked (per week) by 400 statistics students are shown below. Number of hours Frequency 0- 9 20 10 -

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Question 2 The numbers of hours worked (per week) by 400 statistics students are shown below. Number of hours Frequency 0- 9 20 10 - 19 80 20 - 29 200 30-39 100 If a cumulative frequency distribution is developed for the above data, the last class will have a cumulative frequency of 100 01 30 - 39 400

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