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.

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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.
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
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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