Tuesday

July 29, 2014

July 29, 2014

Posted by **Jared** on Sunday, June 20, 2010 at 1:30pm.

93 106 86 109 81 111 118 117 118 116

For these sample data, the mean is and the sample standard deviation is Using the given data as representative of the population of prices of all summer sleeping bags, find a 95% confidence interval for the mean price of all summer sleeping bags. Round your answer to two decimal places.

81.02 to 106.78

95.57 to 106.78

92.62 to 115.43

95.57 to 115.43

92.62 to 106.78

- Statistics -
**PsyDAG**, Monday, June 21, 2010 at 12:16pmYou need to calculate the mean and standard deviation first, or at least put it down in your post.

95% interval = mean ± 1.96 SD

Z = ±1.96 = (score - mean)/SD

Insert the values of mean and SD to find the score.

**Related Questions**

math - Write an inequality to describe the situation. A sleeping bag will keep a...

Math - Write an equality to describe the situation. A sleeping bag will keep a ...

math please help - Write an equality to describe the situation. A sleeping bag ...

Literature Help? - Which of the following sentences is correct? (1 point) At ...

statistics - a random sample of 20 prices for summer sleeping bags was taken ...

math - Assume that the camper has 3 jackets, 7 sleeping bags, and 9 different ...

math - Changing Elevations :Location Alamosa, Colorado Sleeping bag rating+35 ...

College Physics - The top layer of your goose down sleeping bag has a thickness ...

College Physics - The top layer of your goose down sleeping bag has a thickness ...

college math - A camper has 3 jackets, 6 sleeping bags, and 14 different ...