Many songs associate Mondays with having the blues, but are people really more likely to commit suicide on Mondays? A recent study (Kposowa et al., 2009) analyzed data on suicides in the United States between the years 2000 and 2004. They classified each suicide according to the day of the week on which it occurred. Their data produced the following sample percentages:

A news article that described this study did not report the sample size. Suppose for now that the sample size was . The computer output below presents results of a chi-square goodness-of-fit test of equal proportions:  

a. Explain how the expected counts were calculated.



c. Interpret what the -value means in this context.

The test statistic is   .

d. Suppose someone else decided to perform a two-sample -test and found that  and -value Comment on how this compares to the test statistic and -value you just calculated.

The test statistic of the chi-square test is roughly   the test statistic of the two-sample -test.exercise_24-25.pdfexercise_25-22.pdfPosted: 4 years agoDue: 25/01/2016Budget: $5

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