You are watching: What is the average arithmetic mean of 5 7 12 and 12

*A*, *B*, *C*, *D*, and *E* are integers such the *A* Explanation:

The typical of two numbers have the right to be calculated together the amount of those numbers split by 2. *B* would hence be calculated as (*A *+ *C*)/2, and *D* would be calculated as (*C *+ *E*)/2. To uncover the median of those values, friend would include them up and divide by 2:

** **

24

12

150

82

Explanation:

The formula for a weighted median is the sum of the load x values split by the amount of the weights. Thus, for the over situation:

Average = (1 x 85 + 1 x 72 + 1 x 81 + 3 x 79 + 5 x 92) / ( 1 + 1 + 1 + 3 + 5)

= 935 / 11 = 85.

5/9

16.4

Explanation:

There are 5 female cousins whose eras are 14, 22, 13, 12, and 20.

Add these up and also divide by 5.

14 + 22 + 13 + 12 +20 = 81

81 / 5 = 16.2

70

85

Explanation:

The mean, or average, score is figured out by adding up every the scores and also then dividing by the total variety of tests:

(97+86+67+75+89+95+93+75+81+88) / 10 = 846 / 10 = 84.6

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