Saturday

April 19, 2014

April 19, 2014

Posted by **Jennifer** on Saturday, July 31, 2010 at 9:00pm.

- Statistics -
**Ms. Sue**, Saturday, July 31, 2010 at 9:13pmWhen you type the subject in the appropriate box, tutors can more easily identify questions in their fields of expertise.

- Statistics -
**PsyDAG**, Sunday, August 1, 2010 at 12:04pmZ = (mean1 - mean2)/standard error (SE) of difference between means

SEdiff = √(SEmean1^2 + SEmean2^2)

SEm = SD/√(n-1)

Since 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 corresponding the the Z score.

**Related Questions**

Essentials of statistics - A populations of scores forms a normal distribution ...

Q. Research - 3. Bob takes an online IQ test and finds that his IQ according to ...

statistics - IQ scores are normally distributed with a mean u = 100 and a ...

Statistics - Bob takes an online IQ test adn finds that his IQ according to the ...

statistics - If a distribution of IQ test scores has a mean of 100 and a ...

statistics - IQ scores are normally distributed with a mean of 105 and a ...

Math (Statistic) - Considered the sampling distribution of a sample mean ...

probability and statistics - a population forms a normal distribution with a ...

statistics - A population of scores forms a normal distribution with a mean of...

Math - I need help with this these two problem PLEASE!!! For a population with ...