第1个回答 2017-03-22
r=normrnd(10,2,100,2);
[mu,sigma,muci,sigmaci]=normfit(r,0.05)
复制代码
mu =
3053/298 3755/381
sigma =
1074/475 534/265
muci =
6926/707 3423/362
3176/297 1405/137
sigmaci =
403/203 3650/2063
612/233 2479/1059
muci和sigmaci分别为mu和sigma的95%的置信区间本回答被网友采纳