5. It is claimed that participants of a popular weight loss programme have a mean weight loss of 10 pounds after 1 month. A medical researcher randomly selected 30 participants of the programme and recorded their weight loss (in pounds) after 1 month. The data was inputted into MINITAB for analysis. Exhibit 1, below, was subsequently generated. Test of mu- 10 vs, < 10 The assumed standard deviation = 2.5 Variable Weight Loss N Exhibit 1 One-Sample Z: Weight Loss 30 Mean 8.977 StDev 2.463 SE Mean ? Z P * ** a) Calculate the missing value '?'. b) Construct the 97% confidence interval for the population mean weight loss for participants on this popular weight loss programme. State the null and the alternative hypotheses for this test. Determine the missing value **'. d) e) Use the tables provided to approximate the missing value ***'. f) Using a level of significance a of 5%, state the decision and conclusion for this test
5. It is claimed that participants of a popular weight loss programme have a mean weight loss of 10 pounds after 1 month. A medical researcher randomly selected 30 participants of the programme and recorded their weight loss (in pounds) after 1 month. The data was inputted into MINITAB for analysis. Exhibit 1, below, was subsequently generated. Test of mu- 10 vs, < 10 The assumed standard deviation = 2.5 Variable Weight Loss N Exhibit 1 One-Sample Z: Weight Loss 30 Mean 8.977 StDev 2.463 SE Mean ? Z P * ** a) Calculate the missing value '?'. b) Construct the 97% confidence interval for the population mean weight loss for participants on this popular weight loss programme. State the null and the alternative hypotheses for this test. Determine the missing value **'. d) e) Use the tables provided to approximate the missing value ***'. f) Using a level of significance a of 5%, state the decision and conclusion for this test
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Please answer this question step by step with all the working and formulas.
![5. It is claimed that participants of a popular weight loss programme have a mean weight loss
of 10 pounds after 1 month. A medical researcher randomly selected 30 participants of the
programme and recorded their weight loss (in pounds) after 1 month. The data was inputted
into MINITAB for analysis. Exhibit 1, below, was subsequently generated.
4
Test of mu - 10 vs < 10
The assumed standard deviation = 2.5
Variable
Weight Loss
N
Exhibit 1
One-Sample Z: Weight Loss
30
Mean
8.977
StDev
2,463
SE Mean
2
N
Z
D
[2]
a) Calculate the missing value "?".
b) Construct the 97% confidence interval for the population mean weight loss for
participants on this popular weight loss programme.
c)
State the null and the alternative hypotheses for this test.
d) Determine the missing value **'.
e) Use the tables provided to approximate the missing value ***'.
f) Using a level of significance a of 5%, state the decision and conclusion for this test
[3]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F214db551-97f4-4ae4-bc56-e3a8b584177a%2F325ec26c-a58d-4841-8382-c2742a9c405d%2F8klr64u_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5. It is claimed that participants of a popular weight loss programme have a mean weight loss
of 10 pounds after 1 month. A medical researcher randomly selected 30 participants of the
programme and recorded their weight loss (in pounds) after 1 month. The data was inputted
into MINITAB for analysis. Exhibit 1, below, was subsequently generated.
4
Test of mu - 10 vs < 10
The assumed standard deviation = 2.5
Variable
Weight Loss
N
Exhibit 1
One-Sample Z: Weight Loss
30
Mean
8.977
StDev
2,463
SE Mean
2
N
Z
D
[2]
a) Calculate the missing value "?".
b) Construct the 97% confidence interval for the population mean weight loss for
participants on this popular weight loss programme.
c)
State the null and the alternative hypotheses for this test.
d) Determine the missing value **'.
e) Use the tables provided to approximate the missing value ***'.
f) Using a level of significance a of 5%, state the decision and conclusion for this test
[3]
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