Question

If each of the observations 6, 18, 25, 14, 17 is divided by 4, the mean of the new observations so obtained is ..............

Answer 1

Answer:

$mean = \frac{sum \: o f \: observations}{no. \: of \: obervations}$

sum of observation=(6/4)+(18/4)+(25/4)+(14/4)+(17/4)

=(6+18+25+14+17)/4

=(80/4)

=20

$mean = \frac{20}{5} \\ = 4$

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