回答編集履歴
1
実際にsimple-statisticsで平均・標準偏差・偏差値を計算したものを追記
test
CHANGED
|
@@ -35,3 +35,71 @@
|
|
|
35
35
|
|
|
36
36
|
|
|
37
37
|
https://www.monotalk.xyz/blog/Find-variance-standard-deviation-z-score-deviation-value-in-JavaScript-library-simple-statistics/
|
|
38
|
+
|
|
39
|
+
|
|
40
|
+
|
|
41
|
+
```html
|
|
42
|
+
|
|
43
|
+
<!DOCTYPE html>
|
|
44
|
+
|
|
45
|
+
<html lang="ja" dir="ltr">
|
|
46
|
+
|
|
47
|
+
<head>
|
|
48
|
+
|
|
49
|
+
<meta charset="utf-8" />
|
|
50
|
+
|
|
51
|
+
<meta http-equiv="Content-Type" content="text/html; charset=shift_jis" />
|
|
52
|
+
|
|
53
|
+
<script src="https://unpkg.com/simple-statistics@7.7.0/dist/simple-statistics.min.js"></script>
|
|
54
|
+
|
|
55
|
+
<title></title>
|
|
56
|
+
|
|
57
|
+
</head>
|
|
58
|
+
|
|
59
|
+
<body>
|
|
60
|
+
|
|
61
|
+
<script>
|
|
62
|
+
|
|
63
|
+
var x = [
|
|
64
|
+
|
|
65
|
+
65, 73, 42, 81, 60, 75, 62, 53, 69, 77, 83, 65, 72, 65, 81, 66, 69, 73,
|
|
66
|
+
|
|
67
|
+
88, 53,
|
|
68
|
+
|
|
69
|
+
];
|
|
70
|
+
|
|
71
|
+
var mean = ss.mean(x);
|
|
72
|
+
|
|
73
|
+
var s = ss.standardDeviation(x);
|
|
74
|
+
|
|
75
|
+
var hensa = (10 * (81 - mean)) / s + 50;
|
|
76
|
+
|
|
77
|
+
|
|
78
|
+
|
|
79
|
+
document.write('平均：' + mean);
|
|
80
|
+
|
|
81
|
+
document.write('<br>');
|
|
82
|
+
|
|
83
|
+
document.write('標準偏差：' + s);
|
|
84
|
+
|
|
85
|
+
document.write('<br>');
|
|
86
|
+
|
|
87
|
+
|
|
88
|
+
|
|
89
|
+
for (score of x) {
|
|
90
|
+
|
|
91
|
+
var d = (10 * (score - mean)) / s + 50;
|
|
92
|
+
|
|
93
|
+
document.write('得点' + score + 'の偏差値：' + d + '<br>');
|
|
94
|
+
|
|
95
|
+
}
|
|
96
|
+
|
|
97
|
+
</script>
|
|
98
|
+
|
|
99
|
+
</body>
|
|
100
|
+
|
|
101
|
+
</html>
|
|
102
|
+
|
|
103
|
+
|
|
104
|
+
|
|
105
|
+
```
|