a) A company is interested in providing a new benefit to its employees to encourage them to utilize public transportation. To study the potential of providing this benefit‚ the company would like to do a survey of the workers at a company to gather information on why do or do not use public transportation for commuting to work. The company is about 25‚000 people in areas where public transportation is available. You also want to find out the reasons why their choice is what it is. In this case
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45.16 + 2.3263 * 10 = 99% of households spent less than $68.42 NORMINV (.99‚ 45.16) References Levine‚ D.‚ Stephan‚ D.‚ Krehbiel‚ T.‚ & Berenson‚ M. (2008) Statistics for managers using Microsoft Excel w/cd. (5th ed.). Upper Saddle River‚
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Phase 3 IP CTU Online MGMT600-1301A-05: Applied Managerial Decision-Making To use the Chi-square distribution‚ the quantitative variable sales volume has to be converted into categories or groups such as “Achieved Target” vs. “Did not achieve target”. 1) A chi-square test that can be carried out in this context is to see whether the automated contact system affects whether or not the sales force achieve their targets. Null Hypothesis (HO): There is no relationship between
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Applied Research and Statistics QNT561 Research and Sampling Designs Shindeera Robinson June 21‚ 2010 Chapter 8 21. What is sampling error? Could the value of the sampling error be zero? If it were zero‚ what would this mean? Sampling error is the difference between the statistic estimated from a sample and the true population statistic. While we would expect the sampling error to not be zero‚ it is not impossible. For example if you were evaluating the ethnicities of a population and everyone
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1 1. Statistics is the science of collecting‚ organizing‚ analyzing‚ interpreting‚ and presenting data. TRUE 2. Inferential statistics refers to generalizing from a sample to a population‚ estimating unknown parameters‚ drawing conclusions‚ and making decisions. TRUE 3. Descriptive statistics refers to summarizing data rather than generalizing about the population. FALSE 4. Estimating parameters and testing hypotheses are important aspects of descriptive statistics. FALSE
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References: Needles‚ B. E. (2010). Managerial Accounting. Florida: Cengage Learning. Warren‚ C. S. (2013). Managerial Accounting. Chicago: Cengage Learning.
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for all the 50 states of the US (i.e. sample size of 50) and were gathered from various sources‚ including a variety of US government sources‚ among which are: the 1988 Uniform Crime Reports‚ Federal Bureau of Investigation‚ Office Research and Statistics‚ Social Security Administration‚ The Commerce Department and other government sources. The variables analyzed are as follows: CRIMES - Property crime rate per hundred thousand inhabitants (includes burglary‚ larceny‚ theft‚ and motor vehicle theft)
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9.54 (a) At the .01 level of significance‚is the true mean greater than 10? Null Hypothesis: Ho: M = 10 :Mean is 10 or less pages Alternative Hypothesis: H1: M >10 :Mean is more than 10 pages Significance level=alpha (a) = 0.01 or 1% No of tails= 1 This is a 1-tailed test because we are testing that the mean is greater than 10 Since sample size= 35 >= 30 we will use normal distribution This is a one tailed test because we are testing the area in the right tail Since
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Chapter 1 – Applied Problem 1 § Explicit costs are monetary costs of using market-supplied resources. Explicit Costs | | Cost of Products and Services | $355‚000 | Selling Expenses | $155‚000 | Administrative Expenses | $45‚000 | Interest Expense | $45‚000 | Legal Expenses | $28‚000 | Income Taxes | $165‚000 | Total Explicit Costs | $793‚000 | § Implicit costs are non-monetary costs of using owner-supplied resources. Implicit Costs | | Forgone Salary | $175‚000
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University of Phoenix OnlineCourse: RES / 341QUIZ # 1(Chapter 3 and 4 from Applied Statistics in Business and Economics )45 Questions [Each Question = 1 Point]SOLUTIONPlease mark one answer for all multiple choice questions with RED!Chapter 3Multiple Choice1. Which is not a tip for effective bar charts?A) Time usually goes on the horizontal axis. B) Bar height or length should be proportional to the quantity displayed. C) Label data values at the top of each bar unless graphing lots of data. D)
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