A multiple regression predicting tech salaries obtains an insignificant (zero) coefficient on age and a significantly negative coefficient on being foreign-born. A simple regression of tech salaries on age obtains a significantly positive coefficient on age. These results can be explained if Group of answer choices a) the simple regression coefficient is unbiased. b) foreign-born tech workers tend to be older than non-foreign-born. c) foreign-born tech workers tend to be younger than non-foreign-born. d) age is unrelated to being foreign-born.
A multiple regression predicting tech salaries obtains an insignificant (zero) coefficient on age and a significantly negative coefficient on being foreign-born. A simple regression of tech salaries on age obtains a significantly positive coefficient on age. These results can be explained if Group of answer choices a) the simple regression coefficient is unbiased. b) foreign-born tech workers tend to be older than non-foreign-born. c) foreign-born tech workers tend to be younger than non-foreign-born. d) age is unrelated to being foreign-born.
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 multiple regression predicting tech salaries obtains an insignificant (zero) coefficient on age and a significantly negative coefficient on being foreign-born. A simple regression of tech salaries on age obtains a significantly positive coefficient on age. These results can be explained if
Group of answer choices
a) the simple regression coefficient is unbiased.
b) foreign-born tech workers tend to be older than non-foreign-born.
c) foreign-born tech workers tend to be younger than non-foreign-born.
d) age is unrelated to being foreign-born.
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