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A study of 50 teenagers revealed that the average number of times I thought about food...

A study of 50 teenagers revealed that the average number of times I thought about food in one day was 100 times with a standard deviation of 10 develop a 95 percent confidence interval of the mean time is teenagers think about food in one day
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A study of 50 teenagers revealed that the average number of times I thought about food in one day was 100 times with a standard deviation of 10 develop a 95 percent confidence interval of the mean time is teenagers think about food in one day.

95% Table value t at 50-1 = 49 DF =2.0096

=(97.1580, 102.8420)

Confidence Interval Estimate for the Mean

Data

Sample Standard Deviation

10

Sample Mean

100

Sample Size

50

Confidence Level

95%

Intermediate Calculations

Standard Error of the Mean

1.414213562

Degrees of Freedom

49

t Value

2.0096

Interval Half Width

2.8420

Confidence Interval

Interval Lower Limit

97.1580

Interval Upper Limit

102.8420
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