n 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, based on means and standard deviations given in the article. 21.9 27.9 7.1 23.4 20.7 12.4 16.7 20.5 37.0 33.1 11.6 35.6 23.2 18.7 Send data to Excel Assume the population is approximately normal. Perform a hypothesis test to determine whether the mean weight loss is greater than 18 pounds. Use the =α0.01 level of significance and the P -value method and Excel. What do you conclude? Part 1 of 5 (a) State the appropriate null and alternate hypotheses. H0 : =μ18 H1 : >μ18 This hypothesis test is a ▼right-tailed test. 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
n 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, based on means and standard deviations given in the article. 21.9 27.9 7.1 23.4 20.7 12.4 16.7 20.5 37.0 33.1 11.6 35.6 23.2 18.7 Send data to Excel Assume the population is approximately normal. Perform a hypothesis test to determine whether the mean weight loss is greater than 18 pounds. Use the =α0.01 level of significance and the P -value method and Excel. What do you conclude? Part 1 of 5 (a) State the appropriate null and alternate hypotheses. H0 : =μ18 H1 : >μ18 This hypothesis test is a ▼right-tailed test. 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
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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, based on means and standard deviations given in the article.
|
21.9
|
27.9
|
7.1
|
23.4
|
20.7
|
12.4
|
16.7
|
|
20.5
|
37.0
|
33.1
|
11.6
|
35.6
|
23.2
|
18.7
|
Send data to Excel
18
=α0.01
P
Part 1 of 5
(a) State the appropriate null and alternate hypotheses.
|
H0
=μ18
H1
>μ18
|
|
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
|
|
|
|
|
|
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