# Raghav scored below runs in his last 7 innings 13, 38, 3, 29, 14, 68, 17. Find population standard deviation?

0 votes
60 views

Raghav scored below runs in his last 7 innings
13, 38, 3, 29, 14, 68, 17.

Find population standard deviation for his score in last 7 innings?

posted Jun 7, 2017
Share this puzzle

## 1 Answer

0 votes

20.14

Mean = (13+38+3+29+14+68+17)/7=26
Variance = ((13-26)^2+12^2+23^2+3^2+12^2+42^2+9^2)/7=405.7143
Population standard deviation = sqrt (405.7143)=20.14

answer Jul 15, 2018

Similar Puzzles
0 votes

Run scored by Murali, Shikhar, Rahul, Virat, Ajinkya, Hardik, Dinesh, Ashwin, Shami, Ishant and Umesh in 1st match are :
33, 24, 19, 21, 41, 39, 37, 47, 38, 29 and 26 respectively.
Run scored by Murali, Shikhar, Rahul, Virat, Ajinkya, Hardik, Dinesh, Ashwin, Shami, Ishant and Umesh in 2nd match are :
13, 44, 19, 93, 41, 76, 33, 44, 29, 11 and 7 respectively.
What is the difference between population standard deviation between second match and first match?

0 votes

Find the products of mean, median and mode (i.e. you need to find mean*median*mode) for the following list of values:
26 23 13 27 14 31 27