10242 PM Thu Oct 19 u u - ii bbhosted.cuny.edu e Question Completion Status: QUESTION 1 1 points Save Answer We are interested in the effect of the amount of special food supplement on the weight gain for undernourished children. In order to assess this effect, we conduct an experiment where 10 different children are given different amounts of food supplement, and their weight gains over a sixmonth period are recorded. The data (in coded units) are: Child# 1 2 3 4 5 6 7 8 9 10 Supplement_amount (X) 11 12 13 14 15 16 17 18 19 20 Weight_gain (Y) 23.7 26.8 24.1 24.4 25.1 25.8 26.3 27.1 26.6 27.6 Compute X NOTE: WRITE YOUR ANSWER USING 3 DECIMAL DIGITS. DO NOT ROUND UP OR DOWN. :1 QUESTION 2 1 points Save Answer Refer to the data in question 1. Compute Y NOTE: WRITE YOUR ANSWER USING 3 DECIMAL DIGITS. DO NOT ROUND UP OR DOWN. :1 QUESTION 3 1 points Save Answer Refer to the data in question 1. Compute 27 1(X.}{)(Y.;) : l I Click Save and Submit to save andsubmit. Click SaveAllAnswers to save all answers. Save All Answers Save and Submit 10:42 PM Thu Oct 19 Ii bbhosted.cuny.edu x Question Completion Status: QUESTION 3 1 points Save Answer Refer to the data in question 1. Compute 2;] 1(X.}()(Y.l/) : l 1 NOTE: WRITE YOUR ANSWER USING 3 DECIMAL DIGITS. DO NOT ROUND UP OR DOWN. :] QUESTION 4 1 points Save Answer Refer to the data in question 1. Compute 2771(Xi J(y NOTE: WRITE YOUR ANSWER USING 3 DECIMAL DIGITS. DO NOT ROUND UP OR DOWN. :1 QUESTION 5 1 points Save Answer Refer to the data in question 1. Compute l the estimate of the slope coefficient NOTE: WRITE YOUR ANSWER USING 3 DECIMAL DIGITS. DO NOT ROUND UP OR DOWN. Click Save and Submit to save andsubmit. Click Save AllAnswers to save all answers. Save All Answers Save and Submit no. II ?86%-' 10:42 PM Thu Oct 19 ii bbhosted.cuny.edu e Question Completion Status: QUESTION 6 1 points Save Answer Refer to the data in question 1. Compute [30 the estimate of the intercept NOTE: WRITE YOUR ANSWER USING 3 DECIMAL DIGITS. DO NOT ROUND UP OR DOWN. %] QUESTION 7 1 points Save Answer Refer to the data in question 1. Compute the predicted weight gain if the supplement amount is 15 units NOTE: WRITE YOUR ANSWER USING 3 DECIMAL DIGITS. DO NOT ROUND UP OR DOWN. :] QUESTION 8 1 points Save Answer Refer to the data in question 1. Compute the total sum of squares TSS= Z" (Y. Y)2 I: 1 NOTE: WRITE YOUR ANSWER USING 3 DECIMAL DIGITS. DO NOT ROUND UP OR DOWN. :] Click Save and Submit to save andsubmit. Click Save AllAnswers to save all answers. Save All Answers Save and Submit 10:42 PM Thu Oct 19 ii bbhostedeunyedu e Question Completion Status: QUESTION 9 1 points Save Answer Refer to the data in question 1. n A I 2 Compute the explained sum of squares E83: 2 1 Y. Y. I: l 1 NOTE: WRITE YOUR ANSWER USING 3 DECIMAL DIGITS. DO NOT ROUND UP OR DOWN. :] QUESTION 10 1 points Save Answer Refer to the data in question 1. Compute the residual sum of squares R33: 2" e .2: 2" (K {)2 l: l 1 i=1 1 NOTE: WRITE YOUR ANSWER USING 3 DECIMAL DIGITS. DO NOT ROUND UP OR DOWN. :] QUESTION 11 1 points Save Answer Refer to the data in question 1. Compute the coefcient of determination R 2 NOTE: WRITE YOUR ANSWER USING 3 DECIMAL DIGITS. DO NOT ROUND UP OR DOWN. :] Click Save and Submit to save andsubmit. Click Save AllAnswers to save all answers. Save All Answers Save and Submit 10242 PM Thu Oct 19 I I - II "F 86% -I ii bbhosted.cuny.edu e Question Completion Status: QUESTION 12 1 points Save Answer Refer to the data in question 1. 2" . 2 1'21 1' Compute the 3' the estimate of 0' , the standard deviation of the error term LA. Use the fact that 3'2: 2 n _ NOTE: WRITE YOUR ANSWER USING 3 DECIMAL DIGITS. DO NOT ROUND UP OR DOWN. :] QUESTION 13 1 points Save Answer Refer to the data in question 1. Compute the standard error of the slope coefficient se (/3 1) = NOTE: WRITE YOUR ANSWER USING 3 DECIMAL DIGITS. DO NOT ROUND UP OR DOWN. 1:] QUESTION 14 1 points Save Answer Refer to the data in question 1. You want to test whether the slope coefficient is significant at 95% level of confidence. Compute the p-value for this test. NOTE: WRITE YOUR ANSWER USING 3 DECIMAL DIGITS. DO NOT ROUND UP OR DOWN. :] Click Save and Submit to save andsubmit. Click Save AlIAnswers to save all answers. Save All Answers Save and Submit