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Fg Nmjjhvghcfdzsdzdf Essay

  • Submitted by: Aashna2
  • on April 16, 2015
  • Category: Miscellaneous
  • Length: 685 words

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Below is an essay on "Fg Nmjjhvghcfdzsdzdf" from Anti Essays, your source for research papers, essays, and term paper examples.

Assignment
Of
Quantative Applications in Management

Question 1.

Standard deviation of x (σx) = [Σ(x - a)2 / N ]1/2
      = [93750 / 6 ]1/2
      = [15625]1/2
      = 125

Standard deviation of x (σy) = [Σ(y - b)2 / N ]1/2
      = [5648336 / 6 ]1/2
      = [941389.333]1/2
      = 970.25

a) Regression Equation
y = 1246 + 7.6 x

b) Variable cost per unit = ______Total Cost________
    Total no. of units produced
=   33700
    3450
=   9.76
c) Coefficient of Determination
R2 = { 1/N [Σ(x - a)(y - b)] / [σx σy] }2
    =   { 1/6 [712500] / [σx σy] }2
    =   { 1/6 [712500] / [(125)(970.25)] }2
    =   { 1/6 [5.87477] }2
    =   { 1/6 [5.87477] }2
    =   {0.9791}2
    =   0.9586
d) Estimated total cost for operation at 500 units of production
y = 1246 + 7.6 x
where x = 500
y = 1246 + 7.6 (500)
  = 1246 + 3800
  = 5046

Question 2.

Late Arri | Late Dep | x - a | y - b | (x - a)(y - b) | (x - a)2 | (y - b)2 |
x | y | | | | | |
24 | 22 | 3 | 1.6 | 4.8 | 9 | 2.56 |
20 | 20 | -1 | -0.4 | 0.4 | 1 | 0.16 |
30 | 29 | 9 | 8.6 | 77.4 | 81 | 73.96 |
20 | 19 | -1 | -1.4 | 1.4 | 1 | 1.96 |
20 | 22 | -1 | 1.6 | -1.6 | 1 | 2.56 |
23 | 23 | 2 | 2.6 | 5.2 | 4 | 6.76 |
18 | 19 | -3 | -1.4 | 4.2 | 9 | 1.96 |
20 | 16 | -1 | -4.4 | 4.4 | 1 | 19.36 |
18 | 18 | -3 | -2.4 | 7.2 | 9 | 5.76 |
21 | 22 | 0 | 1.6 | 0 | 0 | 2.56 |
25 | 22 | 4 | 1.6 | 6.4 | 16 | 2.56 |
18 | 17 | -3 | -3.4 | 10.2 | 9 | 11.56 |
16 | 16 | -5 | -4.4 | 22 | 25 | 19.36 |
Σx = 273 | Σy = 265 | | | Σ(x - a)(y - b) = 142 | Σ(x - a)2 = 166 | Σ(y - b)2 = 151.08 |

  Mean (a) = 21 | Mean (b) = 20.38 |
b1 = Σ(x - a)(y - b) / Σ(x - a)2 | b0 = b - b1a |
b1 = 142 / 166 | b0 = 20.38 - (0.855)(21) |
b1 = 0.855 | b0 = 20.38 - 17.955 = 2.42 |
c) Regression Equation y = 2.42 + 0.855 xd)   The positive y intercept shows that if there is no late in arrival there will still be a delay in the...

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