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N Career 1 Career 2 Career 3 1 59 72 58 2 43 79 49 3 55 81 60 4 53 86 47 Table 1   For Table 1, determine the following point estimates:   The mathematical expectation. The variance. Root-mean-square deviation Correlation coefficient between X and Y. Correlation coefficient between X and Z. Correlation coefficient between Y and Z.

N Career 1 Career 2 Career 3 1 59 72 58 2 43 79 49 3 55 81 60 4 53 86 47 Table 1   For Table 1, determine the following point estimates:   The mathematical expectation. The variance. Root-mean-square deviation Correlation coefficient between X and Y. Correlation coefficient between X and Z. Correlation coefficient between Y and Z.

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.6: Solving Problems Involving Quadratic Equations
Problem 1.3E
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Question
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N

Career 1

Career 2

Career 3

1

59

72

58

2

43

79

49

3

55

81

60

4

53

86

47

Table 1

 

For Table 1, determine the following point estimates:

 

  1. The mathematical expectation.
  2. The variance.
  3. Root-mean-square deviation
  4. Correlation coefficient between X and Y.
  5. Correlation coefficient between X and Z.
  6. Correlation coefficient between Y and Z.

The table values are in the image below

Tablic values: a = 0.05 T(a/2, v= 2) = 4.3027 T(a/2, v= 3) = 3.1825 T(a/2, v = 4) = 2.7765 T(a/2, v= 6) = 2.4469 F(a/2, 4, 4) = 9.6045 F(a/2, 3, 3) = 15.4392 F(a/2, 3, 4) = 9.9792 F(a/2, 1, 4) = 7.708 F(a/2, 4, 3) = 9.12 G(a, 3, 3) = 0.7977 x12=x2 (α 2, 3) = 0.2158 x22=x2 (1-a2, 3) = 9.348 T(α, 4) = 1.71
Transcribed Image Text:Tablic values: a = 0.05 T(a/2, v= 2) = 4.3027 T(a/2, v= 3) = 3.1825 T(a/2, v = 4) = 2.7765 T(a/2, v= 6) = 2.4469 F(a/2, 4, 4) = 9.6045 F(a/2, 3, 3) = 15.4392 F(a/2, 3, 4) = 9.9792 F(a/2, 1, 4) = 7.708 F(a/2, 4, 3) = 9.12 G(a, 3, 3) = 0.7977 x12=x2 (α 2, 3) = 0.2158 x22=x2 (1-a2, 3) = 9.348 T(α, 4) = 1.71
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