SOLUTION: The 5 participants in a 200-meter dash had the following finishing times (in seconds): 30,27,30,27,26 Assuming that these times constitute an entire population, find the standa

Algebra ->  Probability-and-statistics -> SOLUTION: The 5 participants in a 200-meter dash had the following finishing times (in seconds): 30,27,30,27,26 Assuming that these times constitute an entire population, find the standa      Log On


   

Question 178749: The 5 participants in a 200-meter dash had the following finishing times (in seconds):
30,27,30,27,26
Assuming that these times constitute an entire population, find the standard deviation of the population. Round your answer to at least two decimal places.

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
S=sqrt%28%28X-M%29%5E2%2Fn-1%29 where X is each term, M is the mean and n is the number of terms.
:
mean is 28
:
S=1.87
:
population S
:
pS==sqrt%28%28X-M%29%5E2%2Fn%29
:
pS=1.67