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(1) A significance test is used to prevent a machine from under filling or overfilling quart bottles.<br />
On the basis of a sample, the null hypothesis is rejected and the machine is shut down for<br />
inspection. A thorough examination reveals there is nothing wrong with the filling machine.<br />
From a statistical standpoint, was there a “type” error made? If yes, which type? Explain<br />
(2) Suppose that you perform a significance test regarding a population mean, and that the<br />
evidence does not warrant rejection of the null hypothesis. When formulating the conclusion to<br />
the test, why is the phrase “fail to reject the null hypothesis” more accurate than the phrase<br />
“accept the null hypothesis”? Why can the null hypothesis not be proved? Explain.<br />
(3) A man is on trial accused of murder in the first degree. The prosecutor presents evidence that<br />
he hopes will convince the jury to reject the hypothesis that the man is innocent. This situation<br />
can be modeled as a significance test with the following hypotheses:<br />
<strong>RES</strong> <strong>341</strong> Week 5 Individual Assignment Exercises From the E-Text Chapters 5 and 6<br />
Exercises 8.46 and 8.62<br />
<strong>RES</strong> <strong>341</strong> Week 5 Individual Assignment Using Probability Distribution in Research<br />
Simulation<br />
<strong>RES</strong> <strong>341</strong> Week 5 Quiz<br />
<strong>RES</strong> <strong>341</strong> Week 5 Final Exam 8 versions Consolidated
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