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Assignment on Chi-Square (Test for Independence)
Question 1:A researcher is interested in knowing if there are differences between the incidence of accidentsamong male and female pilots. They were able to collect 62 responses from a random numberof pilots. Among them, 17 male pilots were in accidents, 26 were not; 13 female pilots were inaccidents, 6 were not.⢠Construct a contingency table.⢠Run the Chi-Square test for independence using the calculator provided in the module.⢠State your findings and their significance. Do not forget to give summary statistics in APAformat.Question 2:A researcher has found that pilots taking an over the counter antihistamine have poor reactiontimes. They performed an experiment on 22 pilots: 11 took the medication and 11 did not. Theirreaction times to a command by Air Traffic Control was considered to be adequate orinadequate. Among those taking the medication, 8 were rated inadequate and 3 adequate.Among those not-taking the medication, 10 were rated adequate and only 1 inadequate.⢠Construct a contingency table.⢠Run the Chi-Square test for independence using the calculator in the module.⢠State your findings and their significance. Do not forget to give summary statistics in APAformat.⢠What is the problem with this research study? Is the Chi-Square test appropriate? Why or whynot? What could the researcher do to potentially rectify the problem?
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