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 µ=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 ...
- 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