90 because its half with 88 and 92
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69, 78, 79, 88, 88, 88, 92, 93, 95, 98, 100 The mean is 88. The mode is 88. The range is 31.
It is 81.5, the number halfway between the two middle numbers.
Median of the set = arithmetic mean of 75 and 85 = 80
(79, 81, 82, 91, 93, 95, 95) The mean is 88 The mode is 95 The median is 91
When the data is arranged in ascending order, the middle numbers are 88 and 90. Take the mean of these, which is 89, as the median.