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Select one: O a. b₁ = 12 O b. Y = 12+18X; c. The predicted mark obtained if an applicant studied French for two years is 42. d. bo 18 e. Mean of X values = 4 Mean of Y values = 66

Select one: O a. b₁ = 12 O b. Y = 12+18X; c. The predicted mark obtained if an applicant studied French for two years is 42. d. bo 18 e. Mean of X values = 4 Mean of Y values = 66

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A random sample of 8 applicants for a certain foreign job is selected. The number of years that these applicants have studied French in high school or university, X, and the mark which they obtained in a proficiency test in French, Y, are recorded. The following information is given: EX =32, Y =528, EXY=2136, X² =130 and y² =34872 Fitting a regression line, which of the following statements is incorrect? Select one: a. b₁ = 12 O b. Ŷ = 12+18X; O c. The predicted mark obtained if an applicant studied French for two years is 42. d. bo 18 e. Mean of X values = 4 Mean of Y values = 66
Transcribed Image Text:A random sample of 8 applicants for a certain foreign job is selected. The number of years that these applicants have studied French in high school or university, X, and the mark which they obtained in a proficiency test in French, Y, are recorded. The following information is given: EX =32, Y =528, EXY=2136, X² =130 and y² =34872 Fitting a regression line, which of the following statements is incorrect? Select one: a. b₁ = 12 O b. Ŷ = 12+18X; O c. The predicted mark obtained if an applicant studied French for two years is 42. d. bo 18 e. Mean of X values = 4 Mean of Y values = 66
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