the data and sample regression equation shown below, do the following. a. Decide, at the 5% significance level, whether the data provide sufficient evidence to conclude that x is useful for predicting y. b. Find a 95% confidence interval for the slope of the population regression line. x y 0 7 7 2 40 418-9 7 y=-0.853 +0.763x, x₁ = 20, x² = 118, b₁ = 0.763, and s₁ = 7.4087 a. What are the hypotheses for the test? OA. Ho: B₁ #0 and H₁: B₁ = 0 OB. Ho: B₁ = 0 and H.: B. 0
the data and sample regression equation shown below, do the following. a. Decide, at the 5% significance level, whether the data provide sufficient evidence to conclude that x is useful for predicting y. b. Find a 95% confidence interval for the slope of the population regression line. x y 0 7 7 2 40 418-9 7 y=-0.853 +0.763x, x₁ = 20, x² = 118, b₁ = 0.763, and s₁ = 7.4087 a. What are the hypotheses for the test? OA. Ho: B₁ #0 and H₁: B₁ = 0 OB. Ho: B₁ = 0 and H.: B. 0
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
What is the test statistic?
t=
(Round to two decimal places as needed.)Find the P-value.
P-value=
(Round to three decimal places as needed.)Which of the following is the correct conclusion for the hypothesis test?
Do not reject
H0;
the data
provide
sufficient evidence to conclude that x is useful for predicting y.Reject
H0;
the data
provide
sufficient evidence to conclude that x is useful for predicting y.Do not reject
H0;
the data
do not provide
sufficient evidence to conclude that x is useful for predicting y.Reject
H0;
the data
do not provide
sufficient evidence to conclude that x is useful for predicting y.b. Find a
95%
confidence interval for the slope of the population regression line.The
to
95%
confidence interval for
β1
is from
(Round to three decimal places as nee
Transcribed Image Text:For the data and sample regression equation shown below, do the following.
a. Decide, at the 5% significance level, whether the data provide sufficient evidence to conclude that x is
useful for predicting y.
b. Find a 95% confidence interval for the slope of the population regression line.
X
y
077 2
4
1 8 -9 7
y=-0.853 +0.763x, x₁ = 20, x₁² = 118, b₁ = 0.763, and s₂ = 7.4087
40
a. What are the hypotheses for the test?
A. Ho: B₁ #0 and H₂: B₁ = 0
B. Ho: B₁ = 0 and H₂: B₁ >0
a
C. Ho: B₁0 and H₂: B₁ #0
Ho: B₁ = 0 and H₂: B₁ <0
What is the test statistic?
t= (Round to two decimal places as needed.)
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