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STATS Assignment 3 - Regression Analysis by Example

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Question;Grading scheme: 10 points per question, total of 40.Question 1Do exercise 5.5 from RABE.Question 2Do exercise 5.6 from RABE.Question 3Do exercise 5.9 from RABE.Question 4Do exercise 5.10 from RABE.Show your work in the appendix.The appendix has a section for your work and your code.?Answer questions in line or below given questions.Question 5.5Q5.5 (a)Number of workers in data set: [blank]Q5.5 (b)Variance of Y: [blank]Q5.5 (c)Variance [blank]Q5.5 (d)For =0.52 the number of women in the data set is: [blank]Q5.5 (e)% variability in Y accounted for by X: [blank]Q5.5 (f)The correlation coefficient between Y and X is: [blank]Q5.5 (g)Interpretation of: [blank]Q5.5 (h)Estimated weekly wages of a man chosen at random: [blank]Q5.5 (i)Estimated weekly wages of a woman chosen at random:Q5.5 (j)95% Confidence Interval for: [blank 1][blank 2]Or95% Confidence Interval for: ([blank 1], [blank 2])Q5.5 (k)a): [blank]: [blank]b) Test statistic: [blank]c) Critical value: [blank]d) Conclusion: [blank]Question 5.6Q5.6 (a)Correlation coefficient between country and horsepower (): [blank]Q5.6 (b)Least squares estimate when horse power = 100 (under model 2): [blank]FORMULA: [blank]ESTIMATE: [blank]Q5.6 (c)?For fixed horse power (under model 2) the country with the least expensive caris: [blank]?Because: [blank]Q5.6 (d)a): [blank]: [blank]b) Test statistic: [blank]c) Critical value: [blank]d) Conclusion: [blank]Q5.6 (e)a): [blank]: [blank]b) Test statistic: [blank]c) Critical value: [blank]d) Conclusion: [blank]Q5.6 (f)Recommendation: [blank]Categories that can be joined: [blank]Q5.6 (g)TEST STATISTIC FORMULA: [blank]Question 5.9Q5.9 (a)*Write down the equation using indicator variables.Clearly indicate what your indicator variables.REGRESSION MODEL: [blank]Q5.9 (b)Yes / No (Select one)Why (argue for your response above) [blank]Q5.9 (c)Yes / No (Select one)Why (argue for your response above): [blank]Q5.9(d)Best model: [blank]Question 10Q5.10(a)Regression model: [blank]Q5.10(b)[blank]Q5.10(c)Yes / No (Select one)Why (argue for your response above) [blank]AppendixWorkShow your work here for problems 5.5, 5.6, 5.9, 5.10CodeShow your code here for problems 5.5, 5.6, 5.9, 5.10

 

Paper#61569 | Written in 18-Jul-2015

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