6 Given below are seven observations collected in a regression study on two variables, x (independent variable) and y (dependent variable) Use Excel's Regression Tool to answer the following questions x y 2 12 3 9 6 8 7 7 8 6 7 5 9 2 a What is the estimated regression equation b Perform a t test and determine whether or not x and y are related Usea 0 05 c Perform an F test and determine whether or not x and y are related Usea 0 05 d Find and interpret the coefficient of determination

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Question: 6.Given below are seven observations collected in a regression study on two variables, x (independent variable) and y (dependent variable). Use Excel's Regression Tool to

6.Given below are seven observations collected in a regression study on two variables, x (independent variable) and y (dependent variable). Use Excel's Regression Tool to answer the following questions.

	x	y
	2	12
	3	9
	6	8
	7	7
	8	6
	7	5
	9	2

a.	What is the estimated regression equation?

b.	Perform a t test and determine whether or not x and y are related. Usea= 0.05.
c.	Perform an F test and determine whether or not x and y are related. Usea= 0.05.
d.	Find and interpret the coefficient of determination.

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