College

April received the following scores on her history exams: 83, 93, 76, 96, 82, 93, 72, and 93.

Find the mean, median, and mode. Round to the nearest whole number.

Answer :

Final answer:

The mean is 90, the median is 82.5, and the mode is 93.


Explanation:

Mean:

To find the mean, you add up all the numbers and divide the sum by the total number of scores. In this case, the sum of the scores is 82 + 83 + 93 + 76 + 96 + 82 + 93 + 72 + 93 = 720. There are 8 scores in total. So, the mean is 720 / 8 = 90.

Median:

To find the median, you have to arrange the scores in ascending order. The scores in ascending order are 72, 76, 82, 82, 83, 93, 93, 93, 96. Since there are 8 scores, the median is the average of the two middle numbers, which in this case are 82 and 83. So, the median is (82 + 83) / 2 = 82.5.

Mode:

The mode is the score that appears most frequently. In this case, the score 93 appears 3 times, which is more than any other score. So, the mode is 93.


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