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(Solved): A recent survey asked participants to indicate how satisfied they are with the job the President is ...
A recent survey asked participants to indicate how satisfied they are with the job the President is doing. The following are their responses: Conduct a chi-square test a. What are the null and alternative hypotheses? b. What are the expected values? c. What is the correct degrees of freedom? d. What is crit? Use e. What is f. What do you conclude and report correctly?
Expert Answer
a. The null and alternative hypotheses for the chi-square test are as follows:Null hypothesis (H0): There is no association between the region and satisfaction with the President's job.Alternative hypothesis (Ha): There is an association between the region and satisfaction with the President's job.b. To calculate the expected values, we need to determine the expected frequencies for each category based on the assumption of no association. We can use the row and column totals to calculate the expected values.Region of the Very Satisfied Somewhat Satisfied Somewhat Dissatisfied Dissatisfied Undecided Total US West of Mississippi 78 73 37 19 12 219 East of Mississippi 87 44 39 32 202