Asked by tanu
Thewhat is the difference between the mean and median of the first four prime numbers that are more than 4?
The mean=9 and the median =11.so the ans should be -2.but in the answer sheet the ans is 0..how?
The mean=9 and the median =11.so the ans should be -2.but in the answer sheet the ans is 0..how?
Answers
Answered by
Damon
let me see
5 7 11 13
I think
mean = (5+7+11+13)/2 = 36/4 = 9
median = (7+11)/2 = 9
When there are an even number of items it is impossible to pick the same number above and below any particular one. Therefore you take the average of the two middle ones.
5 7 11 13
I think
mean = (5+7+11+13)/2 = 36/4 = 9
median = (7+11)/2 = 9
When there are an even number of items it is impossible to pick the same number above and below any particular one. Therefore you take the average of the two middle ones.
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