altvalue

Free online confidence interval calculator

Click on confidence interval calculator after putting values

Your Data is:  
How Many in Sample:  
Sample Mean:  
Standard Deviation:  
Confidence Level:  
95% Confidence Interval: 70 ± 1.39
(68.6 to 71.4)

"With 95% confidence the population mean is between 68.6 and 71.4, based on 50 samples."

Short Styles:
70 (95% CI 68.6 to 71.4)
70, 95% CI [68.6, 71.4]

Margin of Error: 1.39
(to more digits: 1.386)

Sample Size: 50
Sample Mean: 70
Standard Deviation: 5
Confidence Level: 95%

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