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Analyze the five pairs of data points given in following table

i

x

y

1

-2

4

2

-1

1

3

0

0

4

1

1

5

2

4

1. The mathematical relationship between X and Y

2. Show by calculation that, for the  straight -line regression of Y on x, β1= 0

3. Show by calculation that r =0

4. Why is there apparently no relationship between x and y, as indicated by the estimates of β1 and ρ?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M917829

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