Hypothesis Test about the Mean - Confidence Interval
Sample size63
Sample standard deviation3.71225672258781
Confidence0.995
Null hypothesis20
Sample Mean21.1587301587302
2-sided Confidence Interval[ 19.7972698300614 , 22.5201904873989 ]
Left-sided Confidence Interval[ 19.9158264100399 , +inf ]
Right-sided Confidence Interval[ -inf, 22.4016339074204 ]