Thursday

July 31, 2014

July 31, 2014

Posted by **John** on Monday, June 14, 2010 at 2:32pm.

if the originalx distribution is normal can we say anything about the x distribution of random samples of size 16 find p(68<x,< 73

- Statistics -
**PsyDAG**, Wednesday, June 16, 2010 at 2:49amZ = (mean1 - mean2)/standard error (SE) of difference between means

SEdiff = √(SEmean1^2 + SEmean2^2)

SEm = SD/√(n-1)

If only one SD is provided, you can use just that to determine SEdiff.

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion between the Z scores.

**Related Questions**

statistics - A large number of samples of size ‘n’ are selected from a ...

statistics - Random samples of size n are selected from a normal population ...

statistic - . For each of the following, assume that the two samples are ...

statistics - 8. Suppose that the IQ score for a person selected from a certain ...

Statistics - a. Critical Thinking Critical Thinking Suppose you and a friend ...

statistics - samples of size n=900 are randomly selected from the population of ...

statistics - Professor Smith conducted a class exercise in which students ran a ...

Statistics - Suppose you and a friend each take different random samples of data...

Statistics - Suppose you and a friend each take different random samples of data...

Basic Statistics - A population of 300 voters contains 147 Republicans, 135 ...