Computing...

Input information:

t-interval for a population mean |  \nsample mean | 4.15\nsample standard deviation | 0.32\nsample size | 100\nconfidence level | 0.95


95% confidence interval:

4.087 to 4.213


Number line:

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Formula:

x^_ ± (t_((1 - c)\/2) s)\/sqrt(n) = 4.15 ± 0.0634949 |  \nn | sample size\ns | sample standard deviation\nx^_ | sample mean\nc | confidence level

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