14.5 The authors of the paper Predicting Yolk Height, Yolk Width, Albumen Length, Eggshell Weight, Egg Shape

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14.5 The authors of the paper “Predicting Yolk Height, Yolk Width, Albumen Length, Eggshell Weight, Egg Shape Index, Eggshell Thickness, Egg Surface Area of Japanese Quails Using Various Egg Traits as Regressors”

(International Journal of Poultry Science [2008]:

85–88) used a multiple regression model with two independent variables where y 5 quail egg weight 1g2 x1 5 egg width 1mm2 x2 5 egg length 1mm2 The regression function suggested in the paper is 221.658 1 0.828x1 1 0.373x2.

a. What is the mean egg weight for quail eggs that have a width of 20 mm and a length of 50 mm?

b. Interpret the values of b1 and b2.

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Introduction To Statistics And Data Analysis

ISBN: 9780840054906

4th Edition

Authors: Roxy Peck, Chris Olsen, Jay L. Devore

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