Question 34 Suppose that the true population regression model is y = Bo + B₁ * x₁ + B₂ * x₂ + U. 3₁ denotes the estimate of the slope coefficient on a when you regress y only on 21. The bias in 3₁ is negative if A) B₂> 0 and 1 and 2 are positively correlated B) B₂ <0 and ₁ and ₂ are positively correlated C) B₂> 0 and ₁ and ₂ are not correlated D) B₂ = 0 and ₁ and ₂ are positively correlated
Question 34 Suppose that the true population regression model is y = Bo + B₁ * x₁ + B₂ * x₂ + U. 3₁ denotes the estimate of the slope coefficient on a when you regress y only on 21. The bias in 3₁ is negative if A) B₂> 0 and 1 and 2 are positively correlated B) B₂ <0 and ₁ and ₂ are positively correlated C) B₂> 0 and ₁ and ₂ are not correlated D) B₂ = 0 and ₁ and ₂ are positively correlated
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.2: The Least Square Line
Problem 7E
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![Question 34
Suppose that the true population regression model is y = Bo + B1 * x1 + B₂ * x₂ + U.
3₁ denotes the estimate of the slope coefficient on a when you regress y only on 21.
The bias in 3₁ is negative if
A) B₂ > 0 and ₁ and 2 are positively correlated
B) ₂ <0 and ₁ and
₂ are positively correlated
C) B₂ > 0 and
₁ and ₂ are not correlated
D) B₂ = 0 and
₁ and ₂ are positively correlated
O A
B
OC
Question 35
Suppose that the true population regression model is y = Bo + B₁ * x₁ + B₂ * x₂ + U.
3₁ denotes the estimate of the slope coefficient on a when you regress y only on 21.
If E[3₁] > B₁ then we say that 3₁ has an upward bias.
True
False](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F469c86b4-1af9-4766-9224-a55e412c2c0c%2F86d89e4f-b51a-4013-91b5-4d5987c5d5d5%2Fzsorbxi_processed.png&w=3840&q=75)
Transcribed Image Text:Question 34
Suppose that the true population regression model is y = Bo + B1 * x1 + B₂ * x₂ + U.
3₁ denotes the estimate of the slope coefficient on a when you regress y only on 21.
The bias in 3₁ is negative if
A) B₂ > 0 and ₁ and 2 are positively correlated
B) ₂ <0 and ₁ and
₂ are positively correlated
C) B₂ > 0 and
₁ and ₂ are not correlated
D) B₂ = 0 and
₁ and ₂ are positively correlated
O A
B
OC
Question 35
Suppose that the true population regression model is y = Bo + B₁ * x₁ + B₂ * x₂ + U.
3₁ denotes the estimate of the slope coefficient on a when you regress y only on 21.
If E[3₁] > B₁ then we say that 3₁ has an upward bias.
True
False
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