the average of 3,8,9 and x is 6 and the ave rage of 17,2,5,,x and y is 8.what is the value of y
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Answer:
x = 4
y = 12
Step-by-step explanation:
average = sum of all observations / total number of observations
6 = (3+8+9+x) / 4
24 = 20 + x
x = 4
8 = (17 + 2+ 5 + x + y) / 5
40 = 28 + y
y = 12
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