Computation for straight -line regression

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Reference no: EM1313934

Q1) Study the 5 pairs of data points given in table below:

i

x

y

1

-2

4

2

-1

1

3

0

0

4

1

1

5

2

4

i) Mathematical relationship between X and Y

ii) Illustrate by computation that, for straight -line regression of Y on x, β1= 0

iii) Illustrate by computation that r =0

iv) Why is there in fact no relationship between x and y , as pointed out by the estimates of β1 and ρ?

Reference no: EM1313934

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