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The peanut crop was harvested from five fields of various area. The following data are the mass of the crop from each field y (in kilograms) and the field area x (in hectares). y 7360 15760 13690 20080 12910 x 2.34 3.92 3.35 4.56 2.56 Round your intermediate answers to four decimal places (e.g. 98.7654). a) Fit the simple linear regression model using the method of least squares. Find the estimate of o?. Round your answer to the nearest integer (e.g. 9876). i b) What change in the mean mass is expected when the field area changes by 1 hectare? Round your answer to the nearest integer (e.g. 9876). i c) Calculate the fitted value of y corresponding to x = 3.92. Find the corresponding residual. Round your answer to the nearest integer (e.g. 9876). i Round your answer to the nearest integer (e.g. 9876). i d) Estimate the mean mass of the crop harvested from 4.5 hectares. Round your answer to the nearest integer (e.g. 9876).

The peanut crop was harvested from five fields of various area. The following data are the mass of the crop from each field y (in kilograms) and the field area x (in hectares). y 7360 15760 13690 20080 12910 x 2.34 3.92 3.35 4.56 2.56 Round your intermediate answers to four decimal places (e.g. 98.7654). a) Fit the simple linear regression model using the method of least squares. Find the estimate of o?. Round your answer to the nearest integer (e.g. 9876). i b) What change in the mean mass is expected when the field area changes by 1 hectare? Round your answer to the nearest integer (e.g. 9876). i c) Calculate the fitted value of y corresponding to x = 3.92. Find the corresponding residual. Round your answer to the nearest integer (e.g. 9876). i Round your answer to the nearest integer (e.g. 9876). i d) Estimate the mean mass of the crop harvested from 4.5 hectares. Round your answer to the nearest integer (e.g. 9876).

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter19: Probability And Statistics In Engineering
Section: Chapter Questions
Problem 9P
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The peanut crop was harvested from five fields of various area. The following data are the mass of the crop from each field y (in kilograms) and the field area x (in hectares). y 7360 15760 13690 20080 12910 2.34 3.92 3.35 4.56 2.56 Round your intermediate answers to four decimal places (e.g. 98.7654). (a) Fit the simple linear regression model using the method of least squares. Find the estimate of o?. Round your answer to the nearest integer (e.g. 9876). (b) What change in the mean mass is expected when the field area changes by 1 hectare? Round your answer to the nearest integer (e.g. 9876). (c) Calculate the fitted value of y corresponding tox = 3.92. Find the corresponding residual. Round your answer to the nearest integer (e.g. 9876). = i Round your answer to the nearest integer (e.g. 9876). e = i (d) Estimate the mean mass of the crop harvested from 4.5 hectares. Round your answer to the nearest integer (e.g. 9876). i
Transcribed Image Text:The peanut crop was harvested from five fields of various area. The following data are the mass of the crop from each field y (in kilograms) and the field area x (in hectares). y 7360 15760 13690 20080 12910 2.34 3.92 3.35 4.56 2.56 Round your intermediate answers to four decimal places (e.g. 98.7654). (a) Fit the simple linear regression model using the method of least squares. Find the estimate of o?. Round your answer to the nearest integer (e.g. 9876). (b) What change in the mean mass is expected when the field area changes by 1 hectare? Round your answer to the nearest integer (e.g. 9876). (c) Calculate the fitted value of y corresponding tox = 3.92. Find the corresponding residual. Round your answer to the nearest integer (e.g. 9876). = i Round your answer to the nearest integer (e.g. 9876). e = i (d) Estimate the mean mass of the crop harvested from 4.5 hectares. Round your answer to the nearest integer (e.g. 9876). i
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