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Regression Analysis: Growth versus Water, Fertilizer The regression equation is Growth = B + ¢ Water + aFertilizer Predictor Coef SE Coef T 42.085 0.009 Constant ** 3.118 Water 0.178 0.386 0.460 0.654 Fertilizer 5.790 0.952 6.083 S = 6.159 R-Sq = 77.1%% R-Sq (adj) = 73.3% Analysis of Variance Source DF SS MS F P Regression Residual Error 1532.603 766.301 大★★ **** 12 455.130 37.928 Total 14 1987.733 Write out the regression equation What is the sample size used in this investigation? Determine the values of * ** and *** **** i. ii. iii. Conduct a hypothesis test, at the 5% level of significance, to determine whether o is significant. iv. What would be the growth of the plant if 4g of fertilizer and 7g of ater was given to it daily? Carry out an F -test at the 1% significance level to determine whether the model is significant V. vi.

Regression Analysis: Growth versus Water, Fertilizer The regression equation is Growth = B + ¢ Water + aFertilizer Predictor Coef SE Coef T 42.085 0.009 Constant ** 3.118 Water 0.178 0.386 0.460 0.654 Fertilizer 5.790 0.952 6.083 S = 6.159 R-Sq = 77.1%% R-Sq (adj) = 73.3% Analysis of Variance Source DF SS MS F P Regression Residual Error 1532.603 766.301 大★★ **** 12 455.130 37.928 Total 14 1987.733 Write out the regression equation What is the sample size used in this investigation? Determine the values of * ** and *** **** i. ii. iii. Conduct a hypothesis test, at the 5% level of significance, to determine whether o is significant. iv. What would be the growth of the plant if 4g of fertilizer and 7g of ater was given to it daily? Carry out an F -test at the 1% significance level to determine whether the model is significant V. vi.

ENGR.ECONOMIC ANALYSIS
ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Answer part sections iv, v and vi

Question Four The President of the Farmers Association wants to know how the amount of fertilizer and the amount of water given to plants affect their growth. The results were inputted into MINITAB so as to fit the model. Regression Analysis: Growth versus Water, Fertilizer The regression equation is Growth = B + ¢ Water + aFertilizer Predictor Coef SE Coef T Constant 42.085 0.009 ** 3.118 Water 0.178 0.386 0.460 0.654 Fertilizer 5.790 0.952 6.083 S = 6.159 R-Sq = 77.1%% R-Sq (adj) = 73.3% Analysis of Variance Source DF SS MS F P Regression 1532.603 766.301 オ★★ **** Residual Error 12 455.130 37.928 Total 14 1987.733 Write out the regression equation What is the sample size used in this investigation? Determine the values of *, ** and *** **** i. ii. iii. Conduct a hypothesis test, at the 5% level of significance, to determine whether o is significant. iv. What would be the growth of the plant if 4g of fertilizer and 7g of ater was given to it daily? Carry out an F -test at the 1% significance level to determine whether the model is significant V. vi.
Transcribed Image Text:Question Four The President of the Farmers Association wants to know how the amount of fertilizer and the amount of water given to plants affect their growth. The results were inputted into MINITAB so as to fit the model. Regression Analysis: Growth versus Water, Fertilizer The regression equation is Growth = B + ¢ Water + aFertilizer Predictor Coef SE Coef T Constant 42.085 0.009 ** 3.118 Water 0.178 0.386 0.460 0.654 Fertilizer 5.790 0.952 6.083 S = 6.159 R-Sq = 77.1%% R-Sq (adj) = 73.3% Analysis of Variance Source DF SS MS F P Regression 1532.603 766.301 オ★★ **** Residual Error 12 455.130 37.928 Total 14 1987.733 Write out the regression equation What is the sample size used in this investigation? Determine the values of *, ** and *** **** i. ii. iii. Conduct a hypothesis test, at the 5% level of significance, to determine whether o is significant. iv. What would be the growth of the plant if 4g of fertilizer and 7g of ater was given to it daily? Carry out an F -test at the 1% significance level to determine whether the model is significant V. vi.
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