Given are five observations for two variables, and .   3 13 7 22 20   53 40 50 16 21 b. What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? There appears to be a linear relationship between and . c. Try to approximate the relationship between and by drawing a straight line through the data. to provide a linear approximation of the relationship between and . d. Develop the estimated regression equation by computing the values of and using equations: (Enter negative values as negative figure)

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Given are five observations for two variables, and .

  3 13 7 22 20
  53 40 50 16 21

b. What does the scatter diagram developed in part (a) indicate about the relationship between the two variables?

There appears to be a linear relationship between and .

c. Try to approximate the relationship between and by drawing a straight line through the data.

to provide a linear approximation of the relationship between and .

d. Develop the estimated regression equation by computing the values of and using equations: (Enter negative values as negative figure)

 

 

 

 

 

(to decimals)

e. Use the estimated regression equation to predict the value of when .

(to decimals)

50
50
40
40
30
30
20
20
10
10
10
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50
60 x
10
20
30
40
D.
60
60
50
50
40
40
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30
20
20
10
10
10
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60 x
10
20
30
40
Transcribed Image Text:50 50 40 40 30 30 20 20 10 10 10 20 30 40 50 60 x 10 20 30 40 D. 60 60 50 50 40 40 30 30 20 20 10 10 10 20 30 40 50 60 x 10 20 30 40
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