Question
A new weight-loss program claims that participants will lose an average of more than 10 pounds...
A new weight-loss program claims that participants will lose an average of more than 10 pounds after completing it. The data table shows the weights of five individuals before and after the program.
|
1 |
2 |
3 |
4 |
5 |
|
|
weight before |
264 |
220 |
285 |
264 |
195 |
|
weight after |
240 |
223 |
267 |
250 |
175 |
We need to test the hypothesis that the population mean of differences exceed 10. That is,
H0:
H1: .
Use 5% level of significance.
Find the test statistic.
(Provide two significant digits to the right of the decimal point)
Homework Answers
Answer #1
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