was harveste peanut kilograms) and the field area.x (in hectares). om five helds of various area efollowing data are the mass of the crop from each held y (in y 7420 15740 13560 19820 13100 * 2.09 3.90 3.62 4.51 3.03 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). a2 = (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 to x = 2.09. Find the corresponding residual. I your answer to the nearest integer (e.g. 9876). Round y
was harveste peanut kilograms) and the field area.x (in hectares). om five helds of various area efollowing data are the mass of the crop from each held y (in y 7420 15740 13560 19820 13100 * 2.09 3.90 3.62 4.51 3.03 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). a2 = (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 to x = 2.09. Find the corresponding residual. I your answer to the nearest integer (e.g. 9876). Round y
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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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 areax (in hectares).
y 7420 15740 13560 19820 13100
* 2.09
3.90 3.62 4.51 3.03
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).
a? =
(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 to x = 2.09. Find the corresponding residual.
Round your answer to the nearest integer (e.g. 9876).
ŷ = i
Round your answer to the nearest integer (e.g. 9876).
e = i
(d) Estimate the mean mass of the crop harvested from 3.5 hectares.
Round your answer to the nearest integer (e.g. 9876).
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