質問編集履歴
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偏差値を出したいです
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JavaScript
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JavaScript
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平均は表示できたのですが、偏差値を表示させる方法がわかりません。各自の偏差値を表示させるコードを教えてください。初心者なので下記で無駄なコード、短縮できる場合はそれも教えてください。
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<!DOCTYPE html>
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<html lang="ja" dir="ltr">
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<head>
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<meta charset="utf-8">
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<title></title>
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</head>
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<body>
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<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=shift_jis">
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<script>
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ten=new Array(20);
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for (jun=0; jun<ten.length; jun++){
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ten[jun]=new Array(2);
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}
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ten[0][0]=501001; ten[0][1]=65;
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ten[1][0]=502020; ten[1][1]=73;
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ten[2][0]=501013; ten[2][1]=42;
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ten[3][0]=503004; ten[3][1]=81;
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ten[4][0]=502007; ten[4][1]=60;
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ten[5][0]=501012; ten[5][1]=75;
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ten[6][0]=501008; ten[6][1]=62;
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ten[7][0]=502002; ten[7][1]=53;
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ten[8][0]=503005; ten[8][1]=69;
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ten[9][0]=503018; ten[9][1]=77;
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ten[10][0]=502013; ten[10][1]=83;
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ten[11][0]=501009; ten[11][1]=65;
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ten[12][0]=502011; ten[12][1]=72;
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ten[13][0]=502004; ten[13][1]=65;
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ten[14][0]=503009; ten[14][1]=81;
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ten[15][0]=501006; ten[15][1]=66;
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ten[16][0]=503010; ten[16][1]=69;
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ten[17][0]=501017; ten[17][1]=73;
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ten[18][0]=502003; ten[18][1]=88;
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ten[19][0]=503001; ten[19][1]=53;
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var total = 0;
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for (let i = 0;
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i < ten.length; i++) {
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document.write(ten[i][1] + "<br>");
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total += ten[i][1]
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}
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document.write("<hr>" + (total/ten.length) + "<br>");
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for ( let knum = 1; knum < 4; knum++ ){
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goukei1 = 0;
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ninzu1 = 0;
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for (let i = 0; i < ten.length; i++) {
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kumi = parseInt(ten[i][0]/1000 % 10);
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if (kumi == knum) {
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goukei1 += ten[i][1];
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ninzu1++;
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}
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}
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1
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HTMLで偏差値を表示させたいです。平均、標準偏差をどのように当てはめればいいのでしょうか
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110
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document.write("<hr>" + knum + "組の人数は " + ninzu1 + "人で、" + knum + "組の平均点は " + heikin1 + "点です。"); }
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</script>
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</body>
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122
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</html>
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