One Sample t-test Calculator

A one sample t-test is used to test whether or not the mean of a population is equal to some value.

To perform a one sample t-test, simply fill in the information below and then click the “Calculate” button.

Enter raw data

Enter summary data

301, 298, 295, 297, 304, 305, 309, 298, 291, 299, 293, 304

μ₀ (hypothesized population mean)

t = 0.3232

df = 39

p-value (one-tailed) = 0.1245

p-value (two-tailed) = 0.3232