Wednesday

April 1, 2015

April 1, 2015

Posted by **Joe** on Tuesday, April 27, 2010 at 2:01pm.

B.) Repeat part (a) changing the population standard deviation to 30.

C.) Repeat part (a) changing the population standard deviation to 60.

D.) Describe what happens to the confidence interval estimate when the standard deviation is increased.

**Answer this Question**

**Related Questions**

statistics - what are the mean and standard deviation of a sampling distribution...

Statistics - Calculate the following: a) Determine the sample size necessary to ...

statistics - Use the given information to find the minimum sample size required ...

statistics - Use the given information to find the minimum sample size required ...

Stats - A sample of 400 items is taken from a population whose standard ...

statistics - A simple random sample of 60 items resulted in a sample mean of 80...

statistics - a. A random sample of 25 was drawn from a normal distribution with ...

Statistics - 1. If we wish to have a 95% confidence interval, what would be the ...

Statistics - Which of the following statements correctly interprets a 95% ...

STAT - 1. In a study of the income of U.S. factory workers, a random sample of ...