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  4. <title>Задача по метрологии, версия v5.0</title>
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  11. <pre>
  12. <script type="text/javascript">
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  15.  
  16. pow = 2
  17. grd = 7
  18.  
  19. //1
  20. a1 = 82
  21. b1 = 74
  22. c1 = 73
  23. d1 = 85
  24. e1 = 79
  25. f1 = 95
  26. g1 = 77
  27. h1 = 74
  28. i1 = 95
  29. j1 = 83
  30. count = 10
  31. con = (a1 + b1 + c1 + d1 + e1 + f1 + g1 + h1 + i1 + j1) / count
  32.  
  33. //2
  34. a2 = (a1 - con)
  35. b2 = (b1 - con)
  36. c2 = (c1 - con)
  37. d2 = (d1 - con)
  38. e2 = (e1 - con)
  39. f2 = (f1 - con)
  40. g2 = (g1 - con)
  41. h2 = (h1 - con)
  42. i2 = (i1 - con)
  43. j2 = (j1 - con)
  44.  
  45. a3 = Math.pow(a2, pow)
  46. b3 = Math.pow(b2, pow)
  47. c3 = Math.pow(c2, pow)
  48. d3 = Math.pow(d2, pow)
  49. e3 = Math.pow(e2, pow)
  50. f3 = Math.pow(f2, pow)
  51. g3 = Math.pow(g2, pow)
  52. h3 = Math.pow(h2, pow)
  53. i3 = Math.pow(i2, pow)
  54. j3 = Math.pow(j2, pow)
  55.  
  56. result1 = (a3 + b3 + c3 + d3 + e3 + f3 + g3 + h3 + i3 + j3)
  57.  
  58. result2 = (result1 / count)
  59. result3 = Math.sqrt(result2).toFixed(3)
  60. result4 = (grd / result3).toFixed(3)
  61. result5 = (grd / result3) //second y
  62. //alert(typeof result5)
  63.  
  64. document.write("Вариант <b>№17</b><br/>------<br/>")
  65. document.write("Математическое ожидание СВ: <b>"+con+"</b><br/>")
  66. document.write("Среднее квадратическое отклонение СВ: <b>"+result3+"</b><br/>")
  67. document.write("Вероятность попадания СВ в заданный диапазон равна: <b>"+result4+"</b><br/><br/>")
  68.  
  69. //1.7
  70. for (key in arr){
  71.         if (key == result4) {
  72.             xxx2=(arr[result4]) //second x
  73.         }
  74. }
  75.  
  76. //1.71
  77. for (key in arr){
  78.         if (key == result4) {
  79.             xxx3=(result5 + 0.002).toFixed(3) //first y
  80.             xxx4=(arr[xxx3]) //first x
  81.         }
  82. }
  83.  
  84. x1 = (xxx4 - xxx2).toFixed(3)
  85. x2 = (((((xxx4 - xxx2) / 2)) + xxx2) - xxx2).toFixed(3)
  86. y1 = (xxx3 - result5).toFixed(3)
  87. y2 = (((x2 * y1) / x1) + result5).toFixed(3)
  88.  
  89. document.write("x1 = "+x1+"<br/>")
  90. document.write("x2 = "+x2+"<br/>")
  91. document.write("y1 = "+y1+"<br/>")
  92. document.write("y2 = "+y2+"<br/><br/>Пропорция: y2 = ((x2 * y1) / x1) + bottom Y<br/><br/>")
  93. document.write("("+x2+" * "+y1+") / "+x1+") + "+result4+" = "+y2+"<br/><br/>")
  94. document.write("<b>Ответ: "+y2+"</b>")
  95. </script>
  96. <noscript>Для отображения решения задачи, Включите пожалуйста поддержку Javascript в Вашем браузере!</noscript>
  97.  
  98. 13.12.2010 &copy; КОНЬЯКОВ.ру
  99. </pre>
  100.  
  101. </body>
  102. </html>
  103.