一个参数的估计
估计均值
def mean_interval(mean=None,std=None,n=None,confidence=0.95): """ """ alpha=1-confidence z_score=ss.norm.isf(alpha/2) me=z_score*std/np.sqrt(n) low_limit=mean-me up_limit=mean+me return(round(low_limit,3),round(up_limit,3))
mean_interval(mean=105.36,std=10,n=25)
#(101.44, 109.28)