...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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...QNT/351 Final Examination Study Guide This study guide prepares you for the Final Examination you complete in the last week of the course. It contains practice questions, which are related to each week’s objectives. Highlight the correct response, and then refer to the answer key at the end of this Study Guide to check your answers. Use each week’s questions as a self-test at the start of a new week to reflect on the previous week’s concepts. When you come across concepts that you are unfamiliar with, refer to the Student Guide for that particular week. Week One: Understanding the Meaning of Statistics Objective: Explain the role of statistics in business research and its application in business decision making. 1. When TV advertisements report, "2 out of 3 dentists surveyed indicated they would recommend Brand X toothpaste to their patients," an informed consumer may question the conclusion because a. the sample was only 5 dentists b. the sample of dentists is clearly explained c. the advertisement does not include the total number of dentists surveyed d. the conclusion is not illustrated with a graph 2. A marketing class of 50 students evaluated the instructor using the following scale: superior, good, average, poor, and inferior. The descriptive summary showed the following survey results: 2% superior, 8% good, 45% average, 45% poor, and 0% inferior. a. The instructor's performance was great! b. The instructor's performance was inferior. c. Most...
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...ECON 125-HK2. Economics for Managers Exam http://homeworkfy.com/downloads/econ-125-hk2-economics-for-managers-exam/ To Get this Tutorial Copy & Paste above URL Into Your Browser Hit Us Email for Any Inquiry at: Homeworkfy@gmail.com Visit our Site for More Tutorials: (http://homeworkfy.com/ ) > TAKE ASSESSMENT: EXAM 1 Question 1 2 points Save Which of the following economic systems abolishes all private property? communism socialism fascism all of the above Question 2 2 points Save The profit motive is one characteristic of a command economy. True False Question 3 2 points Save In a market system, the government enforces laws ensuring that private enterprises and conditions of competition will prevail. True False Question 4 2 points Save The most common type of business in the United States is the corporation. True False Question 5 2 points Save Laissez-faire is a policy of no government intervention in the economic activities of individuals and businesses. True False Question 6 2 points Save In a partnership, each partner’s liability is limited to his or her contribution to the partnership. True False Question 7 2 points Save There are no government-regulated markets in the U.S. economy. True False Question 8 2 points Save Which of the following is not among the United States’ economic goals? ...
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