Question

1 point
The mean of the data: 4, 10, 5,
9, 12 is;
O (a) 8
O (b)10
O (0)9
O (d)15​

Answer 1

a) 8

Mean = ∑x/N

= (4+10+5+9+12)/5

= 40/5

=8

Answer 2

Answer:

Given,

Data is 4,5,9,10,12.

$mean = \frac{sum \: of \: observations}{number \: of \: observations}$

Here number of observations = 5

$mean = \frac{4 + 5 + 9 + 10 + 12}{5} \\ mean = \frac{40}{5} = 8$

The mean of the given data is 8.

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