Thursday

March 5, 2015

March 5, 2015

Posted by **Sharon** on Thursday, January 26, 2012 at 10:04pm.

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**

Probabilty & Statistic - A random sample is selected from a normal population ...

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

statistics - can anyone help me with this problem? a sample of n=9 indivividuals...

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

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

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

Statistics - This is the first question..... For a population that has a ...

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

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

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