Posted by Lyn on Thursday, December 26, 2013 at 7:00pm.
A sample of n = 25 scores has M = 20 and s2 = 9. What is the sample standard deviation?
a. 3
b. 4.5
c. 9
d. 81

statistics  Kuai, Thursday, December 26, 2013 at 10:55pm
S^2 = 9
s = 3
Ans a
Answer This Question
Related Questions
 Statistics  For a population with a mean of ยต=60 and standard deviation of &#...
 Statistics  For a population with a mean of (mew) = 50 and a standard deviation...
 statistics  what are the mean and standard deviation of a sampling distribution...
 statistics  A student was asked to compute the mean and standard deviation for ...
 Math  I need help with this these two problem PLEASE!!! For a population with a...
 Statistics  A sample of 12 measurements has a mean of 37 and a standard ...
 statistics  In an extensive study involving thousands of British children, ...
 statistics  IQ scores are normally distributed with a mean of 105 and a ...
 statistics  1) A scale measuring prejudice has been administered to a large ...
 Statistics  True or False The mean for a sample of n = 4 scores has a standard ...
More Related Questions