find the mean of 7, 9, X + 3, 12, 2 x - 1 and 3 is 9 find the value of x
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7 + 9 + (x+3) + 12 + (2x-1)/6 = 9
= 3x + 30 =9
3x = -21
x = -7
= 3x + 30 =9
3x = -21
x = -7
Aryanjha11:
but how 6 came
6 came because total no. of observations are 6
ok
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