12. Suppose we wish to test the hypotheses H,; b, - b, = 0 versus H; at least one of the b, is not 0 using the ANOVA F test. What is the value of the F statistic? C) 24 D) 381.5 A) 0.94 B) 15.9 Answer:
12. Suppose we wish to test the hypotheses H,; b, - b, = 0 versus H; at least one of the b, is not 0 using the ANOVA F test. What is the value of the F statistic? C) 24 D) 381.5 A) 0.94 B) 15.9 Answer:
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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Hi I know that you can’t answer all questions. Can you just answer question 12 please.

Transcribed Image Text:11.
Are the data statistically significant at the 10% significance level? Hint: You do
not need to calculate the actual value of the chi-square statistic to answer this
question.
A)
Yes
B)
No
C)
This cannot be determined from the information given.
Answer:
Use the following to answer questions 12–17:
A researcher is investigating possible explanations for
deaths in traffic accidents. He examined data from 1991
for each of the 50 states plus Washington, D.C. The data
included information on the following variables:
Deaths
The number of deaths in traffic accidents
The average income per family
The number of children (in multiples of
Income
Children
100,000) between the ages
of 1 and 14 in the state
As part of his investigation he ran the following multiple
regression models:
Deaths = b, + b,(Children) + b,(Income) + e,
where the deviations e, were assumed to be independent
and Normally distributed with mean 0 and standard
deviation s. This model was fit to the data using the
method of least squares. The following results were
obtained from statistical software:
Source Sum of Squares df
Model
48362278 2
Error
3042063 48
Total.
51404341.
50
Variable Coefficient Standard Error
Constant
593.829
204.114
Children
90.629
3.305
Income
-0.039
0.015
12. Suppose we wish to test the hypotheses H,: b, = b, = 0 versus H: at least one of the
b, is not 0 using the ANOVA F test. What is the value of the F statistic?
C) 24
D) 381.5
A) 0.94
B) 15.9
Answer:
13. What can we say about the P-value for the ANOVA F test?
A) P-value < 0.001
C) 0.005 < P-value <0.01
B) 0.001 < P-value < 0.005
Answer:
D) P-value >0.01
14. What proportion of the variation in the variable Deaths is explained by the
explanatory variables Children and Income?
A) 0.059
C)
0.470
B) 0.159
D)
0.941
Answer:
Use the following additional information to answer
questions 15-17:
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