Question

2)Find the arithmetic mean of the first 7 natural numbers.

Answer 1

Answer:

first 7 natural numbers are = 1,2,3,4,5,6,7

mean= sum of observation/ no. of observation

= 1+2+3+4+5+6+7 / 7

= 30/7

=4.28

Step-by-step explanation:

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Answer 2

Answer:

The number series 1, 2, 3, 4, . . . . , 6, 7. Therefore, 28 is the sum of positive integers upto 7.