题目
题目

CIS-124-HYA-CRN48380 Section 18 Practice

多重下拉选择题

Let's try to develop a general framework for decision making, into which all our examples will fit. Fill in the following blanks with the appropriate word from the word bank. Options may be re-used for more than one blank or not used at all. The basic structure of testing a hypothesis is the following: Setting up your question: ______1______: For a fully specified chance model under which you can simulate the data, it hypothesizes that the data were generated as if by random selection, according to the particulars of the chance model. ______2______: States that there is some process other than the chance model that generated the data. Choose a ______3______: A value that can be computed for the observed data and and also for random samples from the chance model. The magnitude of the ______4______ should help you determine whether the distribution of data are consistent with the ______5______. When this value is computed for the observed data, it is called the ______6______. Simulate under the ______7______: Use random sampling to create a(n) ______8______ of the test statistic in order to approximate the ______9______ of this statistic, which is called its ______10______, assuming that the chance model is true. Conclusion: P-value: The probability under the chance model that the ______11______ is equal to the ______12______ or ever further in the direction of the ______13______. ______14______: The maximum ______15______ for which you choose to reject the null hypothesis in favor of the ______16______. A typical value is 5%. Fill in the Blanks Null Hypothesis Alternative Hypothesis Observed Value of the Test Statistic Test Statistic Observed Value of the Test Statistic P-Value [ Select ] Null Hypothesis Probability Distribution P-Value Observed Value of the Test Statistic Alternative Hypothesis Test Statistic P-Value Cutoff Empirical Distribution Sampling Distribution [ Select ] Null Hypothesis Probability Distribution P-Value Observed Value of the Test Statistic Alternative Hypothesis Test Statistic P-Value Cutoff Empirical Distribution Sampling Distribution [ Select ] Null Hypothesis Probability Distribution P-Value Observed Value of the Test Statistic Alternative Hypothesis Test Statistic P-Value Cutoff Empirical Distribution Sampling Distribution [ Select ] Null Hypothesis Probability Distribution P-Value Observed Value of the Test Statistic Alternative Hypothesis Test Statistic P-Value Cutoff Empirical Distribution Sampling Distribution [ Select ] Null Hypothesis Probability Distribution P-Value Observed Value of the Test Statistic Alternative Hypothesis Test Statistic P-Value Cutoff Empirical Distribution Sampling Distribution [ Select ] Null Hypothesis Probability Distribution P-Value Observed Value of the Test Statistic Alternative Hypothesis Test Statistic P-Value Cutoff Empirical Distribution Sampling Distribution [ Select ] Null Hypothesis Probability Distribution P-Value Observed Value of the Test Statistic Alternative Hypothesis Test Statistic P-Value Cutoff Empirical Distribution Sampling Distribution [ Select ] Null Hypothesis Probability Distribution P-Value Observed Value of the Test Statistic Alternative Hypothesis Test Statistic P-Value Cutoff Empirical Distribution Sampling Distribution [ Select ] Null Hypothesis Probability Distribution P-Value Observed Value of the Test Statistic Alternative Hypothesis Test Statistic P-Value Cutoff Empirical Distribution Sampling Distribution [ Select ] Null Hypothesis Probability Distribution P-Value Observed Value of the Test Statistic Alternative Hypothesis Test Statistic P-Value Cutoff Empirical Distribution Sampling Distribution

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思路分析
To work through this fill-in-the-blanks activity, I’ll consider what each spot in the framework asks for and then match it to the appropriate term from the word bank. I’ll also point out common confusions that might lead to selecting an incorrect option. 1) The first blank asks for a label that describes a fully specified chance model under which data are generated by random selection. The term that best captures this idea is Null Hypothesis, because the null posits no effect or no difference and serves as the baseline model in statistical testing. Choosing Alternative Hypothesis here would be incorrect, since the alternative represents the other claim, not the baseline model. Using Test Statistic or Observed Value would misalign with naming the model itself, and remaining options don’t name the model. 2) The second blank asks for the statement that there is some process other than the chance model that generated the data. The correct term is Alternative Hypothesis, which asserts a departure from the null model. If one were to fill this with Null Hypothesis, you’d be asserting the opposite of what this blank intends. Again, terms like Test Statistic or Observed Value do not express a claim about the data-generating process. 3) The third blank asks you to Choose a ______. The most sensible general label here for a single-number summary derived from data is Test Statistic, since the framework usually uses a test statistic computed from data to assess fit against the model. Substituting N......Login to view full explanation

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