Elementary Statistics: Picturing the World (7th Edition)
7th Edition
ISBN: 9780134683416
Author: Ron Larson, Betsy Farber
Publisher: PEARSON
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Textbook Question
Chapter 10, Problem 3CR
The equation used to predict the annual sweet potato yield (in pounds per acre) is ŷ = 16,212 − 0.227x1 + 0.212x2, where x1 is the number of acres planted and X2 is the number of acres harvested. Use the multiple regression equation to predict the annual sweet potato yields for the values of the independent variables. (Adapted from U.S. Department of Agriculture)
- (a) x1 = 110,000, x2 = 100,000
- (b) x1 = 125.000, x2 = 115,000
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The equation used to predict annual cauliflower yield (in pounds per acre) is y=24,786+4.563x, -4.736x2, where x, is the number of acres planted and x₂
is the number of acres harvested. Use the multiple regression equation to predict the y-values for the values of the independent variables.
(a) x, 37,000, x₂=37,400
(b)x₁=38,700, x₂ = 39,000
(c) x₁=39,700, x₂-39,900
(d) x, 43,000, x₂=43,100
(a) The predicted yield is pounds per acre.
(Round to one decimal place as needed.)
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The equation used to predict annual cauliflower yield (in pounds per acre) is y = 24,677 + 4.556x, - 4.745x2, where x, is the number of acres planted and x, is the
number of acres harvested. Use the multiple regression equation to predict the y-values for the values of the independent variables.
(a) x, = 36,600, x2 = 37,000
(b) x, = 38,400, xX2 = 38,600
(c) x4 = 39,400, x2 = 39,500
(d) x, = 42,600, x2 = 42,700
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The equation used to predict annual cauliflower yield (in pounds per acre) is y = 24,321 +4.534x₁ - 4.671x2, where x₁
is the number of acres planted and x2 is the number of acres harvested. Use the multiple regression equation to
predict the y-values for the values of the independent variables.
(a) x₁ = 36,200, x₂ = 36,500
(b) x₁ = 37,800, x₂ = 38,100
(c) x₁ = 38,900, x₂ = 39,000
(d) x₁ = 42,100, x₂ = 42,200
(a) The predicted yield is pounds per acre
(Round to one decimal place as needed.)
**
Chapter 10 Solutions
Elementary Statistics: Picturing the World (7th Edition)
Ch. 10.1 - The tax preparation company in Example 1 decides...Ch. 10.1 - Prob. 2TYCh. 10.1 - Prob. 3TYCh. 10.1 - What is a multinomial experiment?Ch. 10.1 - What conditions are necessary to use the...Ch. 10.1 - Finding Expected Frequencies In Exercises 36, find...Ch. 10.1 - Finding Expected Frequencies In Exercises 36, find...Ch. 10.1 - Finding Expected Frequencies In Exercises 36, find...Ch. 10.1 - Finding Expected Frequencies In Exercises 36, find...Ch. 10.1 - Using and Interpreting Concepts Performing a...
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