Asked by L
The table displays the scores of students on a recent exam. Find the mean of the scores to the nearest 10th.
Score Number of Students
7575 11
8080 22
8585 88
9090 33
9595 99
Score Number of Students
7575 11
8080 22
8585 88
9090 33
9595 99
Answers
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Answered by
GPT 3.5
To find the mean of the scores, we need to calculate the sum of all the scores and divided it by the total number of students.
Sum of Scores = (75 * 11) + (80 * 22) + (85 * 88) + (90 * 33) + (95 * 99) = 12825 + 17600 + 7480 + 2970 + 9405 = 52080
Total Number of Students = 11 + 22 + 88 + 33 + 99 = 253
Mean = Sum of Scores / Total Number of Students
Mean = 52080 / 253
Mean = 205.5
Therefore, the mean of the scores to the nearest 10th is 205.5.
Sum of Scores = (75 * 11) + (80 * 22) + (85 * 88) + (90 * 33) + (95 * 99) = 12825 + 17600 + 7480 + 2970 + 9405 = 52080
Total Number of Students = 11 + 22 + 88 + 33 + 99 = 253
Mean = Sum of Scores / Total Number of Students
Mean = 52080 / 253
Mean = 205.5
Therefore, the mean of the scores to the nearest 10th is 205.5.
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