Result The contingency table shows the results of a random sample of patients with pain from musculoskeletal injuries treated with acetaminophen or ibuprofen. At a = 0.01, can you conclude that the treatment is related to the result? Complete parts (a) through (e) below. Significant improvement Slight improvement .....
Result The contingency table shows the results of a random sample of patients with pain from musculoskeletal injuries treated with acetaminophen or ibuprofen. At a = 0.01, can you conclude that the treatment is related to the result? Complete parts (a) through (e) below. Significant improvement Slight improvement .....
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
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ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
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Chapter5: A Survey Of Other Common Functions
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5-10.2
Solve all parts please
Transcribed Image Text:The contingency table shows the results of a random sample of patients with pain from musculoskeletal injuries
treated with acetaminophen or ibuprofen. At a =0.01, can you conclude that the treatment is related to the result?
Complete parts (a) through (e) below.
Treatment
Result
Acetaminophen Ibuprofen O
Significant
improvement
Slight
improvement
50
77
48
15
...
(a) Identify the claim and state Ho and Ha.
Ho: The result is independent of the type of treatment.
H: The result is dependent on the type of treatment.
Which hypothesis is the claim?
Alternative hypothesis
Null hypothesis
(b) Determine the degrees of freedom, find the critical value, and identify the rejection region.
Calculate the degrees of freedom.
d.f. =
(Type a whole number.)
Transcribed Image Text:(b) Determine the degrees of freedom, find the critical value, and identify the rejection region.
Calculate the degrees of freedom.
d.f. =
(Type a whole number.)
Find the critical value.
(Round to three decimal places as needed.)
Which region below is the correct rejection region?
'A. x2>x3
O B. s-x% or y? z
(c) Calculate the test statistic.
x2 =
(Round to three decimal places as needed.)
(d) Decide whether to reject or fail to reject the null hypothesis.
Ho because the test statistic
in the rejection region.
(e) Interpret the decision in the context of the original claim.
- ie denend ant
There
enough evidence at the 10% level of significance to s
rt the claim that
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