1) A local health guru claims that his diet and exercise program guarantees weight loss in the first week. The weights of six participants before and after a week of the program follow. Participant 1 2 3 4 6 Before 183 200 220 241 257 279 After 178 197 219 231 254 272 We wish to determine whether the weight loss is significant at the .01 significance level a. Write out the appropriate null and alternative hypotheses for conducting this test. b. Is this a dependent samples test or an independent samples test? Explain your answer. c. Calculate and report the appropriate descriptive statistics and use them to find the test statistic. d. How many degrees of freedom are associated with this test? Use the correct number to find a p-value or critical value e. State your decision and conclusion. Is the proqram legit?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Read all questions carefully and answer them
completely. Show calculations for partial
credit. Keep 3 decimal places for statistics and
critical values and 4 decimal places for
proportions and p-values.
1) A local health guru claims that his diet and
exercise program
guarantees weight loss in the first week. The
weights of six
participants before and after a week of the
program follow.
Participant
1
2
4
6.
Before
183
200
220
241
257
279
After
178
197
219
231
254
272
We wish to determine whether the weight
loss is significant at the .01 significance level
a. Write out the appropriate null and
alternative hypotheses for conducting this
test.
b. Is this a dependent samples test or an
independent samples test? Explain your
answer.
c. Calculate and report the appropriate
descriptive statistics and use them to find the
test statistic.
d. How many degrees of freedom are
associated with this test? Use the correct
number to find a p-value or critical value
e. State your decision and conclusion. Is the
program legit?
Transcribed Image Text:Read all questions carefully and answer them completely. Show calculations for partial credit. Keep 3 decimal places for statistics and critical values and 4 decimal places for proportions and p-values. 1) A local health guru claims that his diet and exercise program guarantees weight loss in the first week. The weights of six participants before and after a week of the program follow. Participant 1 2 4 6. Before 183 200 220 241 257 279 After 178 197 219 231 254 272 We wish to determine whether the weight loss is significant at the .01 significance level a. Write out the appropriate null and alternative hypotheses for conducting this test. b. Is this a dependent samples test or an independent samples test? Explain your answer. c. Calculate and report the appropriate descriptive statistics and use them to find the test statistic. d. How many degrees of freedom are associated with this test? Use the correct number to find a p-value or critical value e. State your decision and conclusion. Is the program legit?
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