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Math Help?

Find N.

n,22,17,19,13,23,28

Mean is 18 Median 19

How do i find n can anyone explain?

2007-10-07 15:49:25 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

1 answers

(n + 122)/7 = 18, since 18 is the average.

n + 122 = 126, so n = 4


This also checks with the median; there are 3 numbers lower and 3 numbers higher than 19.

2007-10-07 15:57:16 · answer #1 · answered by jenh42002 7 · 0⤊ 0⤋

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