Wednesday

October 22, 2014

October 22, 2014

Posted by **Sharon** on Monday, January 23, 2012 at 4:39pm.

a. How large a sample is necessary for this sample mean to be statistically significant? Assume a two tailed test with _ = .05

b. If the sample mean were M _ 41, what sample size is needed to be significant for a two-tailed test with _ = .05.

**Answer this Question**

**Related Questions**

Statistics - . A random sample is selected from a normal population with a mean ...

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

statistics - 10. A random sample of n=36 scores is selected from a normal ...

statistics - For normal population mean 60, standard deviation 15, after ...

statistics - A specific study found that the average number of doctor visits per...

statistics - A researcher administered a treatment to a sample of participants ...

statistics - A sample of 40 observations is selected from one approximately ...

statistics - A sample of 40 observations is selected from one approximately ...

stats - A random sample of n=16 scores is obtained from a population with a mean...

statistics - In performing a hypothesis test, the null hypothesis is population...