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Develop an estimated linear regression equation for the data

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Reference no: EM131655679

Question: Consider the following values for the dependent and independent variables:

x               y

5              10

15             15

40             25

50             44

60             79

80            112

a. Develop a scatter plot of the data. Does the plot suggest a linear or nonlinear relationship between the dependent and independent variables?

b. Develop an estimated linear regression equation for the data. Is the relationship significant? Test at an α = 0.05 level.

c. Develop a regression equation of the form y^ = b0 + b1x + b2x2 Does this equation provide a better fit to the data than that found in part b?

Reference no: EM131655679

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