Q15 of 26 Page 14

Find the mean and variance of first 10 multiples of 3.


The first 10 multiples of 3 are 3, 6, 9, 12, 15, 18, 21, 24, 27, 30.

Mean =

Now, 32 + 62+92+122+152+182+212+ 242+ 272+302. = 3465

Variance =

More from this chapter

All 26 →
13
Find the mean and variance for the following data: 6, 7, 10, 12, 13, 4, 8, 12

14
Find the mean and variance for first n natural numbers.

16

17