Asked by Josh
If the arithmetic mean of the data 72 73 71 __ 63 62 79 76 is 62, then the missing value is:
a) 0
b) 62
c) 63
d) 70
e) 71
a) 0
b) 62
c) 63
d) 70
e) 71
Answers
Answered by
oobleck
72+73+71+x+63+62+79+76 = 8*62
x = 0
even without doing the math, 0 is the only choice, since the mean is less than any of the values (except 62)
x = 0
even without doing the math, 0 is the only choice, since the mean is less than any of the values (except 62)
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