Computation for straight -line regression

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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