Hypothesis Test about the Mean - Confidence Interval
Sample size63
Sample standard deviation3.71225672258781
Confidence0.997
Null hypothesis20
Sample Mean21.1587301587302
2-sided Confidence Interval[ 19.7137705214304 , 22.6036897960299 ]
Left-sided Confidence Interval[ 19.8278246307256 , +inf ]
Right-sided Confidence Interval[ -inf, 22.4896356867347 ]