Question

Find the mean of first seven multiple of 5

Answer 1

Answer:

20

Step-by-step explanation:

First 7 multiples of 5 are = 5,10,15,20,25,30,35.

Mean = (5+10+15+20+25+30+35)/7

          =140/7

          = 20

Answer 2

The mean of first multiple of 5=20

Step-by-step explanation:

First seven multiples of 5 are

5,10,15,20,25,30,35

Total number of observations=n=7

Sum of observations=5+10+15+20+25+30+35

Sum of observations=140

Mean=$\frac{sum\;of\;observations}{total\;number\;of\;observations}$

Substitute the values then we get

Mean=$\frac{140}{7}$

Mean=20

Hence, the mean of first multiple of 5=20

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