Friday

March 6, 2015

March 6, 2015

Posted by **martha** on Thursday, July 31, 2014 at 6:12pm.

109.95; 92.00; 96.70; 84.85; 92.60; 84.45; 90.95; 77.00; 75.50

- statistics -
**MathGuru**, Thursday, July 31, 2014 at 8:01pmFormula:

CI95 = mean ± 1.96(sd/√n)

You will need to calculate the mean and standard deviation for your data. In the formula, n = sample size.

Once you have what you need, substitute into the formula and determine the confidence interval.

I hope this will help get you started.

**Answer this Question**

**Related Questions**

statistics - Can someone guide me on how to solve this problem: A sample of 52 ...

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

statistics HELP! - A data set includes body temperatures of healthy adult humans...

math check - While writing an article on the high cost of college education, a ...

statistics - Help!!!!!! A confidence interval estimate for the population mean ...

statistics - A data set includes body temperatures of healthy adult humans for ...

Statistics - A confidence interval was used to estimate the proportion of ...

Elementary Statistics - 1) Construct a confidence interval of the population ...

Math help - Could someone work one of these out so I can use as example. A ...

college statistic - A sample of 51 night-school students' ages is obtained in ...