Recent recession and bad economic conditions forced many people to hold more than one job to make ends meet. A sample of 500 persons who held more than one job produced the following
Test at a 1% significance level whether gender and marital status are related for all people who hold more than one job.
Answer to relevant QuestionsFind the value of x2 for 4 degrees of freedom and a. .005 area in the right tail of the chi-square distribution curve b. .05 area in the left tail of the chi-square distribution curve Refer to Exercise 11.62a. Test at a 5% significance level if the population variance is different from 6.5. n = 21, s2 = 9.2 A company manufactures ball bearings that are supplied to other companies. The machine that is used to manufacture these ball bearings produces them with a variance of diameters of .025 square millimeter or less. The quality ...Suppose that you have a two-way table with the following row and column totals. The observed values in the cells must be counts, which are nonnegative integers. Calculate the expected counts for the cells under the ...The owner of an ice cream parlor is concerned about consistency in the amount of ice cream his servers put in each cone. He would like the variance of all such cones to be no more than .25 square ounces. He decides to weigh ...
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