1. Use the following data to answer the questions below. Show your work (x-mx^2 x y...

1. Use the following data to answer the questions below. Show your work

(x-mx^2	x	y	(y-my)^2	(x-m)(y-m)
9	8	9	16	12
9	2	5	0	0
16	1	5	0	0
9	2	8	9	-9
16	9	2	9	-12
9	8	1	16	-12
Sum 68	5	5	Sum 50	Sum -21

x			y
8			9
2			5
1			5
2			8
9			2
8			1

What is the covariance between Y and X

What is the correlation coefficient between X and Y

Are X and Y independent

Test at 5% significance level

What is the null hypothesis

What is the critical value of the test statistic

What is your conclusion

Expert Solution

orchestra answered 2 years ago

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