推荐回答（1个）
clc
clear
x=[459 362 624 542 509 584 433 748 815 505
612 452 434 982 640 742 565 706 593 680
926 653 164 487 734 608 428 1153 593 844
527 552 513 781 474 388 824 538 862 659
775 859 755 49 697 515 628 954 771 609
402 960 885 610 292 837 473 677 358 638
699 634 555 570 84 416 606 1062 484 120
447 654 564 339 280 246 687 539 790 581
621 724 531 512 577 496 468 499 544 645
764 558 378 765 666 763 217 715 310 851
];
x=reshape(x,1,100);
%先画直方图看分布
subplot(1,2,1)
histfit(x,20);
xmean=mean(x);%求均值，这些matlab是有函数的；
xstd=std(x);%标准差
xvar = var(x);%方差
%根据上面的参数画正态分布图：
t=min(x):max(x);
xp=1/xstd/sqrt(2*pi)*exp(-(t-xmean).^2/2/xstd^2);
subplot(1,2,2)
plot(t,xp)
%正态分布的参数不就是标准差和平均值吗。。。
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