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 14 people. Assume the population is approximately normal. Perform a hypothesis test to determine whether the mean weight loss is less than 16 pounds. Use the α=0.05 level of significance and the P-value method with the TI-84 Plus calculator. 19.1 25.6 4.6 20.6 17.7 9.2 14.1 17.8 34.5 30.4 9.1 32.1 20.3 15.9 Compute the value of the test statistic. Round the answer to at least three decimal places?
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 14 people. Assume the population is approximately normal. Perform a hypothesis test to determine whether the mean weight loss is less than 16 pounds. Use the α=0.05 level of significance and the P-value method with the TI-84 Plus calculator. 19.1 25.6 4.6 20.6 17.7 9.2 14.1 17.8 34.5 30.4 9.1 32.1 20.3 15.9 Compute the value of the test statistic. Round the answer to at least three decimal places?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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 14 people. Assume the population is approximately normal. Perform a hypothesis test to determine whether the mean weight loss is less than 16 pounds. Use the α=0.05 level of significance and the P-value method with the TI-84 Plus calculator.
|
19.1
|
25.6
|
4.6
|
20.6
|
17.7
|
9.2
|
14.1
|
|
17.8
|
34.5
|
30.4
|
9.1
|
32.1
|
20.3
|
15.9
|
Compute the value of the test statistic. Round the answer to at least three decimal places?
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