72. In the set (1, 5, x, 10, 15), the integer x is the median. The mean of the five numbers is one less than x. The value of x is F. 6 G. 7 H. 8 J. 9 K. none of these
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The mean is found by adding up all the numbers and then dividing by the total number of numbers. In this case, the sum of the numbers is 1 + 5 + 4 + 10 + 15 = 35. Since there are 5 numbers, the mean is 35/5 = 7. Show more…
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