Wednesday

July 30, 2014

July 30, 2014

Posted by **Becky** on Thursday, October 13, 2011 at 5:02pm.

- statistics -
**MathGuru**, Friday, October 14, 2011 at 5:54pmUse z-score formula and solve for standard deviation:

z = (x - mean)/sd

-1.63 = (23 - 35)/sd

Solve for sd.

**Related Questions**

statistics - For a normal distribution with a mean of 140 and a standard ...

statistics - A normal distribution has a mean of µ = 100 with standard deviation...

statistics - 2. Why is it important to know the mean and standard deviation for ...

Stastics - When we convert x-value to z- score and use Standard Normal ...

statistics - An SRS of size n is taken from a large population whose ...

MATH - Which of the following normal distributions has the smallest spread? A. A...

Stasistic - On a test whose distribution is approximately normal with a mean of ...

Math - On a test whose distribution is approximately normal with a mean of 50 ...

statistics - A normal distribution has a mean of 20 and a standard deviation of ...

statistics - what are the mean and standard deviation of a sampling distribution...