Question

the arithemetic mean first five even natural number​

Answer 1

first five even natural number = 2,4,6,8,10. and,we also know , Mean = sum of all observation/No. of observation.

Answer 2

Answer:

The first six even natural numbers are 2,4,6,8,10,12. There are six even numbers. Therefore, N=6. The observations are x

1

=2,x

2

=4,x

3

=6,x

4

=8,x

5

=10,x

6

=12. Hence

∑x=2+4+6+8+10+12=42

Hence the mean is given by

X

=

N

∑x

=

6

42

=7.

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