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Chrome File Edit View History Bookmarks People Tab Athabasca University Online EX " Sun 11:50 AM 9 0 C a exam.fb.athabascau.ca/exa University p/onlingexams.naf/studentExam.xspi/b Statistics for Business and Economics II, MGSC 312 Question 25 (2 marks) Mark to review this question at the end of the exam Exam Instructions Use the following information to answer questions 25 through 29. Page 2 of 2 Previous | Next Question 17 Question 18 Below you are given a partial computer output based on a sample of eight observations, relating an independent variable (x) and a dependent variable (y). Question 19 Intercept Coefficient Standard Error x 250 7.032 Question 20 0.184 Question 21 Analysis of Variance Question 22 SOURCE Question 23 Regression Error (Residual) 38 Question 24 Question 25 Question 26 The estimated regression line is Question 27 Midterm Formulas Distribution Tables Question 28 Question 29 a. Y= 250 - 24x Question 30 b. Y = 201 + 38x c. Y = 250 + 24x Page 2 of 2 Previous | Next d. X = 24 - 250x e. X = 250 + 24y 11:59 AM O a. Ob. O c. Od. O e. Hand In Exam > https://exam.fb.athabascau.ca/exams/onlineexams.nsf/studentExam.xsp# AUG 9 MacBook AirChrome .. e Edit View History Bookmarks People Tab Window Help Athabasca University Online E Sun 17:59 AM C e exam.fb.athabascau.ca/exams/online University nat/studentExam.xap#b Statistics for Business and Economics II, MGSC 312 Question 27 (2 marks) Mark to review this question at the end of the exam Exam Instructions Use the following information to answer questions 25 through 29. Page 2 of 2 Previous | Next Question 17 Question 18 Below you are given a partial computer output based on a sample of eight observations, relating an independent variable (x) and a dependent variable (y). Question 19 Intercept Coefficient Standard Error 250 Question 20 7.032 0 . 184 Question 21 Question 22 Analysis of Variance SS Question 23 Regression Error (Residual) 38 Question 24 Question 25 Question 26 Using a = .05, the value of the test statistic F is Question 27 Midterm Formulas Distribution Tables Question 28 Question 29 a. 4.46 Question 30 c. 6.33 Page 2 of 2 Previous | Next d. 17.39 e. 31.74 11:59 AM O a. Ob. O c. Od. Oe. Hand In Exam > If you require assistance. contact the Student Support Centre at 1-800-468-6531. AUG OO 9 EO u 9 MacBook Air... Chrome File Edit View History Bookmarks People Help Athabasca University Online E X 0 7 5> Sun 11:58 AM University C a exam.fb.athabascau.ca/examp/onlingexams.nef/studentExam.xspub Statistics for Business and Economics II, MGSC 312 Question 28 (2 marks) Mark to review this question at the end of the exam Exam Instructions Use the following information to answer questions 25 through 29. Page 2 of 2 Previous | Next Question 17 Question 18 Below you are given a partial computer output based on a sample of eight observations, relating an independent variable (x) and a dependent variable (y). Question 19 Question 20 Intercept Coefficient Standard Er 250 24 7.032 0.184 Question 21 Analysis of Variance Question 22 SOURCE Regression SS Question 23 201 Error (Residual) Question 24 Question 25 Question 26 Using a = .05, the critical value of F is Question 27 Midterm Formulas Distribution Tables Question 28 Question 29 a. 5.99 b. 8.07 Question 30 c. 17.39 d. 233.99 Page 2 of 2 Previous | Next e. 4.46 11:59 AM O a. Ob. O c. Od. O e. Hand In Exam > https://exam.fb.athabascau.ca/exams/onlineexams.nsf/studentExam.xsp# If you require assistance. contact the Student Support Centre at 1-800-468-6531 . AUG 9 MacBook Air.. . Chrome File Edit View History Bookmarks People Tab Window Help Athabasca University Online E x 7 53 Sun 12:00 PM > C a exam.fb.athabascau.ca/exams/onlineexams.nef/studentExam.xap#b University Statistics for Business and Economics II, MGSC 312 Question 29 (2 marks) Mark to review this question at the end of the exam Exam Instructions . Use the following information to answer questions 25 through 29. Page 2 of 2 Previous | Next Question 17 Question 18 Below you are given a partial computer output based on a sample of eight observations, relating an independent variable (x) and a dependent variable (y). Question 19 Intercept Coefficient Standard Error 250 7.032 Question 20 0. 184 Question 21 Analysis of Variance Question 22 SOURCE Question 23 Regression SS Error (Residual) 38 Question 24 Question 25 Question 26 Using a = .05, what does the F test indicate? Question 27 Midterm Formulas Distribution Tables Question 28 Questin 29 a. Since the value of F is greater than the value of critical F, the regression model is significant. b. Since the value of F is greater than the value of critical F, the regression model is insignificant. Question 30 c. Since the value of F is less than the value of critical F, the regression model is significant. Previous | Next Since the value of F is less than the value of critical F, the regression model is insignificant. Page 2 of 2 e. Since the value of F is less than the value of critical F, the intercept can be ignored when predicting the value of Y. 12:00 AM O a. Ob. O c. C Hand In Exam > https://exam.fb.athabascau.ca/exams/onlineexams.nsf/studentExam.xsp# If you require assistance, contact the Student Support Centre at 1-800-468-6531 . AUG 9 EO MacBook Air... Chrome File Edit View History Bookmarks P > Athabasca University Online Ex Window Help + [y Bun 17:69 AM Q University C exam.fb.athabascau.ca/exams/onlineexams.naf/studentExam.xspub Statistics for Business and Economics II, MGSC 312 Question 26 (2 marks) Mark to review this question at the end of the exam Exam Instructions Page 2 of 2 Use the following information to answer questions 25 through 29. Previous | Next Question 17 Question 18 Below you are given a partial computer output based on a sample of eight observations, relating an independent variable (x) and a dependent variable (y). Question 19 Coefficient Question 20 Intercept 250 Standard Error 7.032 0184 Question 21 Question 22 Analysis of Variance SOURCE Question 23 Regression Error (Residual) 201 Question 24 * * * Question 25 Question 26 The percentage of variation in Y due to x (the variation that can be explained by the regression equation) is Question 27 Midterm Formulas Distribution Tables Question 28 Question 29 a. 98.7% Question 30 b. 84.1% c. 74.3% d. 34.5% Page 2 of 2 Previous | Next e. 99.8% 11:59 AM O a. Ob. O c. Od. O e Hand In Exam > If you require assistance, contact the Student Support Centre at 1-800-468-6531. AUG 9 u MacBook Air
