History, asked by Vishal82451, 9 months ago

What is the mean of x, x+3, x+6, x+9 and x+ 12 A. x+3 B. x+6 C. x+9 D. x+12

Answers

Answered by bibhanshuthapliyal
3

Explanation:

Mean = sum of observation /no of observation

mean = x + (x+3) + (x+6) + (x+9) + (x+12) / 5

mean = (5x + 30) / 5

taking 5 common and then cancelling that 5 with the denomination we get,

mean = (x+6)

hope it helps you . And have a good day

Answered by diksha333
5

Answer:

B. x+6

Explanation:

mean=sum of all scores/total number of scores

=x+x+3+x+6+x+9+x+12/5

=5x+30/5

=5(x+6)/5

=x+6

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