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Question: Consider the following values for an independent and dependent variable:
x y
6 5
9 20
14 28
18 30
22 33
27 35
33 45
a. Determine the estimated linear regression equation relating the dependent and independent variables.
b. Is the regression equation you found significant? Test at the a = 0.05 level.
c. Determine both the residuals and standardized residuals. Is there anything about the residuals that would lead you to question whether the assumptions necessary to use regression analysis are satisfied? Discuss.
What is the difference in appearance between a t-distribution and a z-distribution? Why do they have slightly different appearances?
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An elevator starts at the basement with 8 people (not including the elevator operator) and discharges them all by the time it reaches the top floor, number 6.
question a professor in the psychology department would like to determine whether there has been a significant change
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