...QNT 351 Final Exam Guide (New) For more course tutorials visit www.tutorialrank.com Q1 The Director of Golf for a local course wants to study the number of rounds played by members on weekdays. He gathered the sample information shown below for 520 rounds. At the .05 significance level, is there a difference in the number of rounds played by day of the week? 2. An auditor for American Health Insurance reports that 20% of policyholders submit a claim during the year. 15 policyholders are selected randomly. What is the probability that at least 3 of them submitted a claim the previous year? 3. When a class interval is expressed as 100 up to 200, _________________________. 4. A coffee manufacturer is interested in whether the mean daily consumption of regular-coffee drinkers is less than that of decaffeinated-coffee drinkers. A random sample of 50 regular-coffee drinkers showed a mean of 4.35 cups per day, with a standard deviation of 1.2 cups per day. A sample of 40 decaffeinated coffee drinkers showed a mean of 5.84 cups per day, with a standard deviation of 1.36 cups per day. What is your computed z-statistic? 5. You perform a hypothesis test at the .05 level of significance. Your computed p-value turns out to .042. What is your decision about the hypothesis? 6. In a distribution, the second quartile corresponds with the __________. 7. The MacBurger restaurant chain claims that the waiting time of customers for service is normally distributed, with a mean of 3 minutes...
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...| Course Syllabus | | | |WEDNESDAY | | | |Downtown Campus | | | |6:00pm to 10:00pm | | | |School of Business | | | |QNT/351 | | | |Quantitative Analysis for Business | | | |Dr. Jacquelyn B. Frausto | | Copyright © 2013, 2012, 2011 by University of Phoenix. All rights reserved. Course Description This course integrates applied business research and descriptive statistics. Students will learn to apply business research and descriptive statistics in making better business decisions. Other topics include examination of the role of statistics in research, statistical terminology...
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