Regression analysis
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**All work shown (step by step), in simple terms please!!!
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15)
Test each of the following hypotheses:
a) Ho: β = 0
Ha: β ≠ 0
b) Ho: β = 0
Ha: β < 0
c) Ho: β = 0
Ha: β > 0
16) a) If = 1.3479 + 0.3978x, what is the x value? ( = -3)
b) True or False. Regression Analysis attempts to minimize the mean square error.
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Solution Summary
Step by step method for regression analysis is discussed here. Regression coefficients, coefficient of determination, scatter diagram and significance of regression model are explained in the solution.
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Please see the attachments.
**All work shown (step by step), in simple terms please!!!
No excel, just formulas**.
15) Test each of the following hypotheses:
a) Ho: β = 0
Ha: β ≠ 0
Answer
The test Statistic used is =1.87/0.63 =2.9682
Decision rule: Reject the null hypothesis if the value of test statistic is greater than the critical value of t with n-2 d.f.
d.f=1
Critical Value ...
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