In a USA Today poll, people responded to this question “Are today’s NFL (football) games too long?” Among the respondents with a definitive answer, 242 answered yes and 396 answered no. Use a 0.05 significance level to test the claim that respondents did not have a strong opinion one way or the other. How are the results affected by the additional information that the responses are from Internet users who chose to answer the question posted on the USA Today web site? Use the sign test for the claim involving nominal data.
Answer to relevant QuestionsRefer to Data Set 21 in Appendix B for the weights (g) of randomly selected quarters that were minted after 1964. The quarters are supposed to have a median weight of 5.670 g. Use a 0.01 significance level to test the claim ...The following table lists some of the weights from Data Set 4 in Appendix B. Those weights were measured from college students in September and later in April of their freshman year. Assume that we plan to use the Wilcoxon ...Refer to Data Set 16 in Appendix B for the earthquake magnitudes. Use a 0.01 significance level to test the claim that the median is equal to 1.00. Use the Wilcoxon signed-ranks test for the claim about the median of a ...The sample data below are changes in LDL cholesterol levels in clinical trials of Lipitor (atorvastatin). It was claimed that Lipitor had an effect on LDL cholesterol. Negative values represent decreases in LDL cholesterol. ...For the data given in Exercise 1, identify the values of n1, n2, n3, and N.
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