# statsmodels.emplike.descriptive.DescStatUV.test_mean¶

method

DescStatUV.test_mean(mu0, return_weights=False)[source]

Returns - 2 x log-likelihood ratio, p-value and weights for a hypothesis test of the mean.

Parameters
mu0float

Mean value to be tested

return_weightsbool

If return_weights is True the funtion returns the weights of the observations under the null hypothesis. Default is False

Returns
test_resultstuple

The log-likelihood ratio and p-value of mu0