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Please show work D Question 11 4 pts The test scores of 40 students are summarized in the frequency distribution below. Find the mean score.

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D Question 11 4 pts The test scores of 40 students are summarized in the frequency distribution below. Find the mean score. Show calculator function and inputs clearly to get credit. Scores Frequency 50-59 5 60-69 12 70-79 5 60-89 4 90-99 9

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