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To find the mean, add up all the numbers in the data set and divide by the total number of numbers:
Mean = (91 + 93 + 89 + 97 + 89 + 98 + 94 + 93) / 8
Mean = 744 / 8
Mean = 93
To find the median, first arrange the numbers in order:
89, 89, 91, 93, 93, 94, 97, 98
Since there are 8 numbers, the median is the average of the two middle numbers:
Median = (93 + 94) / 2
Median = 187 / 2
Median = 93.5
To find the mode, identify the number that appears most frequently in the data set.
The modes in this data set are 89 and 93, each appearing twice.