What are the hypotheses for the t-test? Let population 1 be weights before therapy and let population 2 be weights after therapy. A. H0: μ1=μ2 Ha: μ1<μ2 B. H0: μ1=μ2 Ha: μ1≠μ2 C. H0: μ1>μ2 Ha: μ1<μ2 D. H0: μ1=μ2 Ha: μ1>μ2 Part 2 Find the test statistic. t= (Round to two decimal places as needed.) Part 3 Find the P-value. The P-value is (Round to three decimal places as needed.) Part 4 What is the conclusion for the hypothesis test? ▼ Do not reject Reject H0; the data ▼ provide do not provide sufficient evidence at the 1% significance level that the mean weight ▼ after therapy is greater. before and after therapy differ. before therapy is greater.
What are the hypotheses for the t-test? Let population 1 be weights before therapy and let population 2 be weights after therapy. A. H0: μ1=μ2 Ha: μ1<μ2 B. H0: μ1=μ2 Ha: μ1≠μ2 C. H0: μ1>μ2 Ha: μ1<μ2 D. H0: μ1=μ2 Ha: μ1>μ2 Part 2 Find the test statistic. t= (Round to two decimal places as needed.) Part 3 Find the P-value. The P-value is (Round to three decimal places as needed.) Part 4 What is the conclusion for the hypothesis test? ▼ Do not reject Reject H0; the data ▼ provide do not provide sufficient evidence at the 1% significance level that the mean weight ▼ after therapy is greater. before and after therapy differ. before therapy is greater.
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
What are the hypotheses for the t-test? Let population 1 be weights before therapy and let population 2 be weights after therapy.
H0: μ1=μ2
Ha: μ1<μ2
B.
H0: μ1=μ2
Ha: μ1≠μ2
C.
H0: μ1>μ2
Ha: μ1<μ2
D.
H0: μ1=μ2
Ha: μ1>μ2
Part 2
Find the test statistic.
t=
(Round to two decimal places as needed.)
Part 3
Find the P-value.
The P-value is
(Round to three decimal places as needed.)
Part 4
What is the conclusion for the hypothesis test?
▼
Do not reject
Reject
H0;
the data
▼
provide
do not provide
1%
significance level that the ▼
after therapy is greater.
before and after therapy differ.
before therapy is greater.

Transcribed Image Text:Weights Before and After Therapy
Before After
93.0
89.1
91.7
99.5
82.1
84.7
81.3
85.4
78.4 77.0
86.0
98.4
75.7 75.2
92.8 100.9
72.3
93.2
79.3
73.5
80.4
78.0
82.5
94.2
80.9
92.3
76.4
88.0
82.2
87.6
88.6 91.7
84.7 88.3
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