数据波动的统计量有多少

来源：百度知道 编辑：UC知道 时间：2024/05/27 23:41:16
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谢谢

<%@ page contentType="image/jpeg"%>
<%@ page import="java.awt.*"%>
<%@ page import="java.awt.image.*"%>
<%@ page import="java.util.*"%>
<%@ page import="javax.imageio.*"%>

<html>
<head>
<title>在JSP中动态生成图像</title>
</head>
<%!
Color getRandColor(int fc,int bc){
Random random=new Random();
if(fc>255) fc=255;
if(bc>255) bc=255;

int red=fc+random.nextInt(bc-fc);
int green=fc+random.nextInt(bc-fc);
int blue=fc+random.nextInt(bc-fc);
return new Color(red,green,blue);

}
int width=200,height=160;
%>
<%
response.setHeader("Pragma","NO-cache");
response.setHeader("Cache-Control","no-cache");
response.setDateHeader("Expires",0);

BufferedImage image=new