Thursday

September 18, 2014

September 18, 2014

Posted by **Sally** on Monday, August 15, 2011 at 10:59pm.

- statistics -
**MathGuru**, Tuesday, August 16, 2011 at 10:38amFormula:

CI95 = mean + or - 1.96(sd/√n)

sd = standard deviation

n = sample size

Substitute the values from your problem into the formula and calculate.

**Answer this Question**

**Related Questions**

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

statistics - the weights of shells follow a normal distribution. a random sample...

Statistics - Suppose x has a mound-shaped distribution with sigma = 9 . A random...

Math Statistics - 5. Students in an introductory statistics class were asked to ...

statistics - A Packaging Company sells soda and claims each can contains 12 oz. ...

Statistics - A 95% confidence interval for a population mean, ?, is given as (18...

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

Statistics - An IQ test is designed so that the mean is 100 and the standard ...

statistics - An IQ is designed so that the mean is 100 and the standard ...

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