If the mean of three observations x + 2, x + 4, and x + 6 is 15, then x is equal to
a) 12
(b)...
Business, 20.02.2021 14:10 shelly1969
If the mean of three observations x + 2, x + 4, and x + 6 is 15, then x is equal to
a) 12
(b) 13
(c) 15
(d) 11
Answers: 2
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