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Identifying SignsFor the sign test described in
Chapter 13, Problem 2BSC(choose chapter or problem)
Identifying Signs?For the sign test described in Exercise?,?identify the number of positive signs, the number of negative signs, the number of ties, the sample size ?n that is used for the sign test, and the value of the test statistic. Exercise Sign Test for Freshman 15?The table below 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 sign test to test the claim of no difference between September weights and April weights. What requirements must be satisfied for this test? Is there any requirement that the populations must have a normal distribution or any other specific distribution? In what sense is this sign test a “distribution-free test”?
Questions & Answers
QUESTION:
Identifying Signs?For the sign test described in Exercise?,?identify the number of positive signs, the number of negative signs, the number of ties, the sample size ?n that is used for the sign test, and the value of the test statistic. Exercise Sign Test for Freshman 15?The table below 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 sign test to test the claim of no difference between September weights and April weights. What requirements must be satisfied for this test? Is there any requirement that the populations must have a normal distribution or any other specific distribution? In what sense is this sign test a “distribution-free test”?
ANSWER:Problem 2BSC Answer: Step 1 The table below lists some of the weights those weights were measured from college students in September and later in April of their freshman year. September 67 53 64 7