Mean of the data x + 5, -x + 7, 4, 5, 2x + 6, -2x + 5, 7, 8 is
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1
(x+5-x+7+4+5+2x+6-2x+5+7+8) / 8
= (x+2x-2x-x+7+5+4+5+6+5+7+8) / 8
= 37 / 8
=4 - 5/8
Answered by
1
given,
sum of observations = 47
no of observations=9
mean=sum of observations/no of observations
=47/9
=5.2222
sum of observations = 47
no of observations=9
mean=sum of observations/no of observations
=47/9
=5.2222
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