Chrome Edit View History Bookmarks Profiles Tab Window Help 92% Sat 8:37 AM Q Final exam , Saturday 12/6/202 x Class : Sun , Tue and Thur ... final86 C mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=17 E GUST E-LEARNING Reply CENTER OF EXCELLENCE About Us * E-HelpDesk ECON38086 Dashboard My courses ECON3808620021 Final exam Final exam , Saturday 12/6/2021 , 8:30 AM - 10:30 AM Quiz navigation Question 18 Given the following : Y= 10 - 3 X1 + 5 X2 - 2 X3 , based on a sample of 18 observations . Not yet 1 2 3 4 5 6 answered SSR = 147 , SSE = 140 . Perform an F test for overall significance (critical value at 95% Marked out of confidence 3.34) 7 8 9 10 11 12 1.00 P Flag 13 14 15 16 17 18 question Select one: O a. Reject the null hypothesis and conclude the overall model is significant 19 20 21 22 23 24 M O b. Fail to reject the null hypothesis and conclude the overall model is significant 25 26 27 28 29 30 O c. Reject the null hypothesis and conclude the overall model is insignificant O d. Fail to reject the null hypothesis and conclude the model is insignificant 31 32 33 34 35 36 GASTHAT icon 29096 37 38 39 40 ET Previous page Next page Finish attempt .. 12 W 4Chrome Edit View History Bookmarks Profiles Tab Window Help 92% Sat 8:38 AM Q E Final exam , Saturday 12/6/202 x C mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=18 # 1 Paused Update : E GUST E-LEARNING CENTER OF EXCELLENCE About Us * E-HelpDesk ECON38086 Dashboard My courses ECON3808620021 Final exam Final exam , Saturday 12/6/2021 , 8:30 AM - 10:30 AM Quiz navigation Question 19 Not yet A sample size of 20 generated the following : Y = 100 + 20 X, Given MSE= 6.4, (x-X) = 1 2 3 4 5 6 answered 12.55 Marked out of Calculate the standard deviation (Sb1) 7 8 9 10 11 12 1.00 P Flag 13 14 15 16 17 18 question Select one: 19 20 21 22 23 24 O a. 0.202 M O b. 0.510 25 26 27 28 29 30 O c. 1.808 31 32 33 34 35 36 O d. 0.715 37 38 39 40 EI Finish attempt .. 12 W 4Chrome Edit View History Bookmarks Profiles Tab Window Help 92% Sat 8:38 AM Q E Final exam , Saturday 12/6/202 x C mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=19 # 1 Paused Update : E GUST E-LEARNING CENTER OF EXCELLENCE About Us * E-HelpDesk ECON38086 Dashboard My courses ECON3808620021 Final exam Final exam , Saturday 12/6/2021 , 8:30 AM - 10:30 AM Quiz navigation Question 20 A clinic sampled 15 of its patients , based on the sample , the variance patient waiting Not yet time is 16 minutes . Construct a 95% confidence interval for the variance patient 1 2 3 4 5 6 answered waiting time. (X2 0.025 = 26.119 , X20.975 = 5.629) Marked out of 7 8 9 10 11 12 1.00 Select one: P Flag O a. 8.3 to 40.12 13 14 15 16 17 18 question O b. 4 to 15 19 20 21 22 23 24 O c. 8.576 to 39.796 O d. 2.55 to 4.60 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Previous page Next page Finish attempt .. 12 w 4 TChrome Edit View History Bookmarks Profiles Tab Window Help 92% Sat 8:38 AM Q E Final exam , Saturday 12/6/202 x C mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=20 1 Paused Update : E GUST E-LEARNING CENTER OF EXCELLENCE About Us * E-HelpDesk Quiz navigation E Question 21 A company is conducting election related research for four candidates. Previous Not yet research showed that candidates were equally favored . the company is interested in 1 2 3 4 5 6 answered determining if preferences has changed . A sample of 200 customers showed the Marked out of 7 8 9 10 11 12 1.00 following : Candidate 4 Flag candidate 1 Candidate 2 Candidate 3 13 14 15 16 17 18 question 40 55 45 60 19 20 21 22 23 24 The expected frequencies for the categories are : 25 26 27 28 29 30 31 32 33 34 35 36 Select one: O a. 37 38 39 40 e1= 25, e2= 25 , e3 = 25 , e4= 25 O b . Finish attempt ... e1= 40 , 02= 55 , 03 = 45 , e4= 60 O c. e1= 50 , e2= 50 , e 3 = 50, e4= 50 GUST O d. e1= 60 , e2= 66 , e3 = 68 , e4= 50 12Chrome Edit View History Bookmarks Profiles Tab Window Help 92% Sat 8:38 AM Q E Final exam , Saturday 12/6/202 x C mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=21 # 1 Paused Update : E GUST E-LEARNING CENTER OF EXCELLENCE About Us * E-HelpDesk ECON38086 Dashboard My courses ECON3808620021 Final exam Final exam , Saturday 12/6/2021 , 8:30 AM - 10:30 AM Quiz navigation Question 22 A sample of 39 generated the following regression equation :Y = bo +b1X] Not yet +b2X2+b3X3+b4X4. The critical value used to test the significance of each individual 1 2 3 4 5 6 answered parameter will have : Marked out of 7 8 9 10 11 12 1.00 P Flag 13 14 15 16 17 18 question Select one: 0 O a. 38 degrees of freedom 19 20 21 22 23 24 Ob. 34 degrees of freedom M 25 26 27 28 29 30 O c. 78 degrees of freedom O d. 39 degrees of freedom 31 32 33 34 35 36 37 38 39 40 Previous page Next page Finish attempt .. 12 w 4Chrome Edit View History Bookmarks Profiles Tab Window Help 92% Sat 8:38 AM Q E Final exam , Saturday 12/6/202 x C mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=22 # Paused Update : E GUST E-LEARNING CENTER OF EXCELLENCE About Us * E-HelpDesk Dashboard My courses ECON3808620021 Final exam Final exam , Saturday 12/6/2021 , 8:30 AM - 10:30 AM Quiz navigation Question 23 Assume we are given the below details to test if population A has a larger variance Not yet 1 2 3 4 5 6 answered than population B Marked out of Population A : sample variance = 8 , sample size = 10 7 8 9 10 11 12 1.00 Population B : sample variance = 5 , sample size = 9 Flag At the 90% level confidence, your conclusion is: 13 14 15 16 17 18 question 19 20 21 22 23 24 Select one: 25 26 27 28 29 30 O a. P-value 0.1, reject the null hypothesis 39 40 m 37 38 O d. P-value >0.1, fail to reject the null hypothesis Finish attempt ... GAST Previous page Next page 12 w 4 TChrome File Edit View History Bookmarks Profiles Tab Window Help 92% Sat 8:38 AM Q DE Final exam , Saturday 12/6/202 x Class : Sun , Tue and Thur ... if you are not on the other link X mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=23 within 5 min i will have to stop yo... E GUST E-LEARNING Reply CENTER OF EXCELLENCE About Us * E-HelpDesk ECON38086 Dashboard My courses ECON3808620021 Final exam Final exam , Saturday 12/6/2021 , 8:30 AM - 10:30 AM Quiz navigation Question 24 If a linear regression equation had the following form Y = 3 - 2 X : choose the correct Not yet statement : 1 2 3 4 5 6 answered Marked out of Select one: 7 8 9 10 11 12 1.00 O a. The coefficient of determination must be negative P Flag 13 14 15 16 17 18 question O b. Sum of squared due to regression must be 0 O c. The y intercept must be negative 19 20 21 22 23 24 O d. The sample correlation coefficient must be negative M 25 26 27 28 29 30 31 32 33 34 35 36 Previous page Next page 37 38 39 40 EI Waiting for mygust.gust.edu.kw... NEXT ACTIVITY Finish attempt .. 12 W SF TChrome Edit View History Bookmarks Profiles Tab Window Help 92% Sat 8:38 AM Q DE Final exam , Saturday 12/6/202 x Class : Sun , Tue and Thur ... if you are not on the other link C mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=24 within 5 min i will have to stop yo... Reply E GUST E-LEARNING CENTER OF EXCELLENCE About Us * E-HelpDesk ECON38086 Dashboard My courses ECON3808620021 Final exam Final exam , Saturday 12/6/2021 , 8:30 AM - 10:30 AM Quiz navigation Question 25 When performing regression analysis , all the following are required assumptions about Not yet the error term EXCEPT: 1 2 3 4 5 6 answered Marked out of 7 8 9 10 11 12 1.00 P Flag Select one: 13 14 15 16 17 18 question O a. It should be normally distributed 0 O b. It should have a mean of 1 19 20 21 22 23 24 M O c. The values of the error term should be independent 25 26 27 28 29 30 O d. The variance should be the same for all values of the independent variable 31 32 33 34 35 36 GUST icon29094 37 38 39 40 Previous page Next page Finish attempt .. O 12 w 4 TChrome Edit View History Bookmarks Profiles Tab Window Help 91% Sat 8:38 AM Q DE Final exam , Saturday 12/6/202 x Class : Sun , Tue and Thur ... if you are not on the other link C mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=25 within 5 min i will have to stop yo... E GUST E-LEARNING Reply CENTER OF EXCELLENCE About Us * E-HelpDesk Quiz navigation Question 26 Given the following multiple regression results for a sample o 16 items, Not yet 2 3 4 5 6 answered Coefficient Standard Error t stats Marked out of Intercept 10.524 3.425 7 8 9 10 11 12 1.00 X1 - 2.682 2.630 3.01 Flag 13 14 15 16 17 18 question X2 - 30.216 10.560 5.20 19 20 21 22 23 24 O 25 26 27 28 29 30 Perform a t Test of significance for individual parameters (a =0.05) 31 32 33 34 35 36 Select one: 37 38 39 40 O a. Fail to reject the null hypothesis for both independent variables O b. Reject the null hypothesis for the second , and fail to reject for the first Finish attempt ... independent variable O c. Reject the null hypothesis for both independent variables O d. Reject the null hypothesis for the first , and fail to reject for the second GAST independent variable 12 W NOChrome Edit View History Bookmarks Profiles Tab Window Help 91% Sat 8:38 AM Q E Final exam , Saturday 12/6/202 x C mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=26 # 1 Paused Update : E GUST E-LEARNING CENTER OF EXCELLENCE About Us * E-HelpDesk ECON38086 Dashboard My courses ECON3808620021 Final exam Final exam , Saturday 12/6/2021 , 8:30 AM - 10:30 AM Quiz navigation Question 27 Given the following regression equation for a sample of 15 observations, Y = 1.2 + 5 X at Not yet the 0.1 level of significance find the confidence interval for the slope, given that Sbi = 1 2 3 4 5 6 answered 1.77,to.05 = 1.771 Marked out of 7 8 9 10 11 12 1.00 Select one: P Flag Oa. -0.13, 8.13 13 14 15 16 17 18 question O b. 1.87, 8.13 19 20 21 22 23 24 O c. 1.87, 5.13 O d. 0.23, 4.12 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Previous page Next page Finish attempt .. 12 w 4 T CChrome Edit View History Bookmarks Profiles Tab Window Help 91% Sat 8:38 AM Q E Final exam , Saturday 12/6/202 x C mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=27 1 Paused Update : E GUST E-LEARNING CENTER OF EXCELLENCE About Us * E-HelpDesk Quiz navigation Question 28 A linear relationship between EmployeeSalary (Dependent) and degree (independent) Not yet answered has the following equation : Salary = 400+0.2 (Degree). SST= 663, SSR= 425. Calculate 1 2 3 4 5 6 and interpret the coefficient of determination (r2) : Marked out of 7 8 9 10 11 12 1.00 Flag 13 14 15 16 17 18 question Select one: O a. 0.64 , 64.10 percent of the variability in the degree earned can be explained by 19 20 21 22 23 24 the simple linear regression equation O b. 0.64 ,64.10 percent of the variability in employee salary can be explained by the 25 26 27 28 29 30 simple linear regression equation O c. 0.36 , 35.90 percent of the variability in the degree earned can be explained by 31 32 33 34 35 36 the simple linear regression equation 37 38 39 40 O d. 0.36 , 35.90 percent of the variability in employee salary can be explained by the simple linear regression equation Finish attempt ... GIST Next page FT Previous page 12 w TChrome Edit View History Bookmarks Profiles Tab Window Help 91% Sat 8:38 AM Q E Final exam , Saturday 12/6/202 x C mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=28 # 1 Paused Update : E GUST E-LEARNING CENTER OF EXCELLENCE About Us * E-HelpDesk ECON38086 Dashboard My courses ECON3808620021 Final exam Final exam , Saturday 12/6/2021 , 8:30 AM - 10:30 AM Quiz navigation Question 29 A yogurt producer claims the variance on their yogurt containers is 4 grams or less . A Not yet sample of 30 containers had a sample variance of 9 grams. We want to test the 1 2 3 4 5 6 answered producer claim (a=0.05) Marked out of 7 8 9 10 11 12 1.00 The conclusion is : P Flag 13 14 15 16 17 18 question Select one: 19 20 21 22 23 24 O a. Reject the alternative hypothesis M O b. Fail to reject the null hypothesis 25 26 27 28 29 30 O c. None of the above is correct 31 32 33 34 35 36 O d. Reject the null hypothesis 37 38 39 40 EI Finish attempt .. 12 CChrome Edit View History Bookmarks Profiles Tab Window Help 91% Sat 8:38 AM Q E Final exam , Saturday 12/6/202 x C mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=29 Paused Update : E GUST E-LEARNING CENTER OF EXCELLENCE About Us * E-HelpDesk Quiz navigation Question 30 Given the following table : Not yet 1 2 3 4 5 answered Ex = 70 E(X, -x) (vi-y)=-79 Marked out of 8 9 10 11 12 1.00 Ey= 45 E(x; - x)2 = 316 Flag n = 15 (v1-y)2 = 1900 13 14 15 16 17 18 question SSR = 104 19 20 21 22 23 24 25 26 27 28 29 30 The y-intercept (bo) is : 31 32 33 34 35 36 Select one: 37 38 39 40 O a. 1.83 Ob. -76.00 Finish attempt ... O c. -1.67 O d. 4.17 12 TChrome Edit View History Bookmarks Profiles Tab Window Help 91% Sat 8:39 AM Q E Final exam , Saturday 12/6/202 x C mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=30 Paused Update : E GUST E-LEARNING CENTER OF EXCELLENCE About Us * E-HelpDesk Quiz navigation Question 31 Given the following partial ANOVA based on a sample of 15 observations : Not yet 2 3 4 5 6 answered df SS Marked out of Regression 2 410 7 8 9 10 11 12 1.00 Residual 12 Flag 13 14 15 16 17 18 question Total 14 1080 19 20 21 22 23 24 Calculate the coefficient of determination r2; 25 26 27 28 29 30 31 32 33 34 35 36 Select one: O a. 2.63 37 38 39 40 O b. 0.62 O c. 0.38 Finish attempt ... O d. 0.28 Previous page Next page 12 w 4 TChrome Edit View History Bookmarks Profiles Tab Window Help 91% Sat 8:39 AM Q E Final exam , Saturday 12/6/202 x C mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=31 # 1 Paused Update : E GUST E-LEARNING CENTER OF EXCELLENCE About Us * E-HelpDesk ECON38086 Dashboard My courses ECON3808620021 Final exam Final exam , Saturday 12/6/2021 , 8:30 AM - 10:30 AM Quiz navigation Question 32 Given the following details about a multiple regression model based on a sample of 19 Not yet observations : 1 2 3 4 5 6 answered Marked out of bo = 17 , b1 = 4, b2 = -3, b3 = 8, Sum of squares due to error =177 , and Sum of squares 7 8 9 10 11 12 1.00 due to regression = 850 P Flag Find the mean square error (MSE) ; 13 14 15 16 17 18 question 19 20 21 22 23 24 Select one: M O a. 60.71 25 26 27 28 29 30 Ob. 12.64 31 32 33 34 35 36 O c. 11.80 O d. 56.67 37 38 39 40 EE Finish attempt .. 12Chrome File Edit View History Bookmarks Profiles Tab Window Help 91% Sat 8:39 AM Q E Final exam , Saturday 12/6/202 x X mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=32 # 1 Paused Update : E GUST E-LEARNING CENTER OF EXCELLENCE About Us * E-HelpDesk ECON38086 Dashboard My courses ECON3808620021 Final exam Final exam , Saturday 12/6/2021 , 8:30 AM - 10:30 AM Quiz navigation Question 33 To determine if the means of three or more populations are equal , you should use : Not yet 1 2 3 4 5 6 answered Select one: Marked out of O a. Analysis of variance (ANOVA) 7 8 9 10 11 12 1.00 P Flag O b. t test 13 14 15 16 17 18 question O c. Chi square test O d. Regression analysis 19 20 21 22 23 24 M 25 26 27 28 29 30 31 32 33 34 35 36 Previous page Next page 37 38 39 40 PREVIOUS ACTIVITY NEXT ACTIVITY Jump to. Finish attempt .. 12 W TChrome Edit View History Bookmarks Profiles Tab Window Help 91% Sat 8:39 AM Q E Final exam , Saturday 12/6/202 x C mygust.gust.edu.kw/mod/quiz/attempt.php?attempt=720562&cmid=619901&page=33 1 Paused Update : E GUST E-LEARNING CENTER OF EXCELLENCE About Us * E-HelpDesk Quiz navigation E Question 34 Given the following multiple regression results for a sample o 18 items, Not yet 1 2 3 4 5 6 answered Coefficient Standard Error Marked out of Intercept 13.7 3.425 7 8 9 10 11 12 1.00 X1 - 7.7 2.630 Flag 13 14 15 16 17 18 question X2 -14.4 10.560 19 20 21 22 23 24 25 26 27 28 29 30 The coefficient of X1 is interpreted as: 31 32 33 34 35 36 Select one: 37 38 39 40 O a. One unit increase in X1 will lead to a 7.7 unit decrease in X2, when all other variables are held constant Finish attempt .. O b. One unit increase in X1 will lead to 14.4 unit increase in Y , when all other variables are held constant O c. One unit increase in X1 will lead to 7.7 units increase in Y ,when all other variables are held constant O d. One unit increase in X1 will lead to 7.7 unit decrease in Y ,when all other variables are held constant 12 w