Wednesday

July 23, 2014

July 23, 2014

Posted by **Anonymous** on Thursday, February 24, 2011 at 4:15pm.

above the population mean (in %) is a sample mean score of 12

- statistics -
**PsyDAG**, Friday, February 25, 2011 at 2:00pmZ = (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 related to that Z score.

**Related Questions**

Math- Statistics - A random sample of size 36 is to be selected from a ...

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

statistics - random sample of n = 16 scores is selected from a normal ...

John jay college - A random sample of n = 9 scores is obtained from a population...

John jay college - A random sample of n = 9 scores is obtained from a population...

statistics - a distribution of scores has 6, but the value of the mean is ...

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

Statistics - he Oil Price Information Center reports the mean price per gallon ...

Statistics - A random sample of size 36 is to be selected from a population ...

statistics - An important indicator of lung function is forced expiratory volume...