Solve the attached questions
Assignment 4 (Protected View) - Word Sign in X File Home Insert Design Layout References Mailings Review View Help Tell me what you want to do Share 6 10 . 1 . 11 12 13 1 . 15 . 1 . 16 . 17 . 1 . 18 . 1 . 19 1. The following output was obtained from a regression analysis of the dependent variable Rating and an independent variable Price. (33.33marks) Anova df SS MS f Regression 1 301.701 301.701 32.94 Residual 15 128.221 9.1586 Total 16 429.922 Coefficients Standard T Stat P value Error Intercept 45.623 3.630 12.569 0.000 Price .107 0.016 6.552 0.000 a. Use the critical value approach to perform an F test for the significance of the linear relationship between Rating and Price at the 0.05 level of sig. b. Calculate the coefficient of determination c. What percentage of the variability of Rating can be explained by its linear relationship with Price? What is the sample correlation coefficient? d. What is the estimated regression equation? Page 1 of 1 255 words 130% Type here to search O O 13.C Mostly clear A DO () ENG 10:53 PM W US 2021-06-09Assignment 4 (Protected View) - Word Sign in X File Home Insert Design Layout References Mailings Review View Help Tell me what you want to do Share 1 . 2 . 1 . 1 . 1 . . 1 . 1 10 1 . 11 . 1 . 12 . 1 . 13 . 1 . 14 . 1 . 15 . 1 . 16 . 17 . 1 . 18 . 1 . 19 2. Set up an analysis of variance table for the following per acres production for variety of wheat each grown in four plots of Land. (33.33 Marks) Per acre production variety of wheat Plot of Land Variety 1 Variety 2 Variety 3 A 6 5 5 B 7 5 4 C 3 D 8 7 4 3. Samples of two types of electric light bulbs were tested for length of life and following data were obtained: Type 1 Type 2 Sample Size 8 7 Sample means 1234 hrs 1036 hrs Sample S.D's 36 40 Is there difference in the means sufficient to warrant that type 1 is superior to type 2 regarding length of life? Find the range and test at 95% interval estimation. (33.33 marks) Page 1 of 1 255 words 130% Type here to search O 9 W O 2 13.C Mostly clear A O O () ENG 10:54 PM US 2021-06-09