Find the test statistic, tSTAT. tSTAT=enter your response here (Round to four decimal places as needed.)
Find the test statistic, tSTAT. tSTAT=enter your response here (Round to four decimal places as needed.)
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
tstat plz
You are testing the null hypothesis that there is no relationship between two variables, X and Y. From your sample of
n=18,
you determine that
SSR=60
and
SSE=20.
Complete parts (a) through (e) below.a. What is the value of
FSTAT?
State the hypotheses to test. Choose the correct answer below.
H0:
β1≤0
H1:
β1>0
H0:
β1=0
H1:
β1≠0
H0:
β1≠0
H1:
β1=0
H0:
β1≥0
H1:
β1<0
FSTAT=4848
(Round to the nearest integer as needed.)b. At the
α=0.05
level of significance, what is the critical value?The critical value is
4.494.49.
(Round to two decimal places as needed.)
c. Based on your answers to (a) and (b), what statistical decision should you make?
Do not reject
H0.
There is evidence that there is a relationship between X and Y.Reject
H0.
There is evidence that there is a relationship between X and Y.Reject
H0.
There is no evidence that there is a relationship between X and Y.Do not reject
H0.
There is no evidence that there is a relationship between X and Y.d. Compute the correlation coefficient by first computing
r2
and assuming that
b1
is negative.|
r2
|
=
|
0.75000.7500
(Round to four decimal places as needed.) |
|
r
|
=
|
negative 0.8660−0.8660
(Round to four decimal places as needed.) |
e. At the 0.05 level of significance, is there a significant correlation between X and Y?
Determine the null and alternative hypotheses for this test.
H0:
ρ≠0
H1:
ρ=0
H0:
ρ≤0
H1:
ρ>0
H0:
ρ≥0
H1:
ρ<0
H0:
ρ=0
H1:
ρ≠0
Find the test statistic,
tSTAT.
tSTAT=enter your response here
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