QNT 561 Final Exam Latest Assignments

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d) Positively skewed Want help? Click Here QNT 561 3. For a chi-square test involving a contingency table, suppose the null hypothesis is rejected. We conclude that the two variables are __________. a) related b) curvilinear c) linear d) not related 4. A sales manager for an advertising agency believes that there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. What is the dependent variable? a) sales managers b) amount of sales dollars c) salesperson d) number of contacts Click here and download QNT 561 Complete Assignments 5. Which of the following is most appropriately displayed with a frequency table? a) What percentage of people prefer Hunt's brand ketchup b) The home location of the most valuable customers c) How much explanatory value comes from the study's variables d) The relationship between gender and job performance 6. The manager of Paul's fruit and vegetable store is considering the purchase of a new seedless watermelon from a wholesale distributor. Since this seedless watermelon costs $4, will sell for $7, and is highly perishable, he only expects to sell between six and nine of them. What is the opportunity loss for purchasing nine watermelons when the demand is for seven watermelons? a) 8 b) 4 c) 12
d) 0 Final Exam Answers QNT 561 final exam answers 7. A firm offers routine physical examinations as part of a health service program for its employees. The exams showed that 8% of the employees needed corrective shoes, 15% needed major dental work, and 3% needed both corrective shoes and major dental work. What is the probability that an employee selected at random will need either corrective shoes or major dental work? a) .25 b) 1.00 c) .50 d) .20 8. When data is collected using a qualitative, nominal variable, what is true about a frequency distribution that summarizes the data? a) The upper and lower class limits must be calculated. b) The number of classes is equal to the number of variables plus 2. c) The “5 to the k rule” can be applied. d) A pie chart can be used to summarize the data. To download the complete paper QNT 561 complete course 9. If an ANOVA test is conducted and the null hypothesis is rejected, what does this indicate? a) The p-value is less than a. b) All population means are different. c) At least one pair of population means is different. d) The population means are equal. 10. A random sample of 20 items is selected from a population. When computing a confidence interval for the population mean, what number of degrees of freedom should be used to determine the appropriate t-value? a) 25 b) 21 c) 19
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QNT 561 Final Exam Latest Assignments

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