Determine the degrees of freedom, find the critical value, and identify the rejection region. What are the degrees of freedom? d.f.=
Determine the degrees of freedom, find the critical value, and identify the rejection region. What are the degrees of freedom? d.f.=
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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Determine the degrees of freedom, find the critical value, and identify the rejection region.
What are the degrees of freedom?
d.f.=

Transcribed Image Text:You want to determine whether the reasons given by workers for continuing their education is related to job type. In the
study, you randomly collect the data shown in the contingency table. At a = 0.10, can you conclude that the reason and
type of worker are dependent? Complete parts (a) through (d).
Reason
Type of workerProfessional Personal Both
Technical
Other
43
50
41
43
29
35
(a) Identify the claim and state the null and alternative hypotheses.
Ho:
: Reasons are independent of the type of worker.
Ha: Reasons are dependent on
the type of worker.
The alternative hypothesis is the claim.
(b) Determine the degrees of freedom, find the critical value, and identify the rejection region.
What are the degrees of freedom?
d.f. =
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