c) Compute the P -value. Round the answer to at least four decimal places. P -value =
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
Related questions
Question
Weight loss: In a study to determine whether counseling could help people lose weight, a sample of people experienced a group-based behavioral intervention, which involved weekly meetings with a trained interventionist for a period of six months. The following data are the numbers of pounds lost for
people. Assume the population is approximately normal. Perform a hypothesis test to determine whether the mean weight loss is greater than
pounds. Use the
level of significance and the
-value method with the TI-84 Plus calculator.
14
13
=α0.05
P
21.2
|
27.5
|
6.5
|
22.8
|
20
|
11.5
|
16.2
|
19.7
|
36.3
|
32.5
|
11.1
|
34.8
|
22.4
|
17.9
|
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Part: 0 / 5
0 of 5 Parts Complete
Part 1 of 5
(a) State the appropriate null and alternate hypotheses.
H0
=μ13
H1
>μ13
|
|
Part: 1 / 5
1 of 5 Parts Complete
Part 2 of 5
(b) Compute the value of the test statistic. Round the answer to at least three decimal places.
=t
1.773
|
|
Part: 2 / 5
2 of 5 Parts Complete
Part 3 of 5
(c) Compute the
P
-value. Round the answer to at least four decimal places.
P
=
|
|
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