BUS 308 All Assignments and DQs (Ash)

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BUS 308 Week 1 Assignment Problems 1.2, 1.17, 3.3 & 3.22 BUS 308 Week 1 DQ 1 Performance Report BUS 308 Week 1 DQ 2 The Empirical Rule vs. Chebyshev Theorem BUS 308 Week 1 Quiz (10 MCQ) BUS 308 Week 2 Assignments Problems 4.4, 4.20, 5.12, 6.22(a) BUS 308 Week 2 DQ 1 Relative Frequen..
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BUS 308 Week 1 DQ 1 Language BUS 308 Week 1 DQ 2 Probability BUS 308 Week 1 Quiz BUS 308 Week 1 Problem Set BUS 308 Week 1 Quiz (New) BUS 308 Week 2 DQ 1 Hypotheses BUS 308 Week 2 DQ 2 Variation BUS 308 Week 2 Quiz BUS 308 Week 2 Quiz (New) BUS 308 Week 2 Problem Set B..
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BUS 308 Week 1 Problems 1.2, 1.17, 3.3 and 3.22 ..
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Discussion 1-1/Language Numbers and measurements are the language of business. Organizations look at results in many ways: expenses, quality levels, efficiencies, time, costs, etc. What measures does your department keep track of? Are they descriptive or inferential data, and what is the..
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You are the manager at a company and are asked to present a report on the year-to-date performance of your division. What type of statistical information would you include in your report? In particular, which descriptive statistics (mean, median, standard deviation, etc.) do you think would best ..
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Things vary in life – virtually nothing (except physical standards such as the speed of light) we interact with is constant over time. Much of this variation follows somewhat predictable patterns that can be examined using probability. An example of a subjective probability is: “Cops usuall..
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The Empirical Rule vs. Chebyshev’s Theorem Discuss how the Empirical Rule works and how it relates to the bell curve as illustrated in Figure 3.14 (a). Then, explain Chebyshev’s Theorem and how it is different from the Empirical Rule. Give a specific example of a population with which the Empir..
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1. For assistance with these calculations, see the Recommended Resources for Week One. Measurement issues. Data, even numerically code variables, can be one of 4 levels – nominal, ordinal, interval, or ratio. It is important to identify which level a variable is, as this impacts the kind of analysi..
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1.         Question :       Data on the city from which members of a board of directors come represent interval data.  2.        Question :       ..
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1. Question : The two types of quantitative variables are       2. Question : As a general rule, when creating a stem-and-leaf display, there should be between ..
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1. Question : In statistical notation, M is to μ as s is to σ. Question 2. Question : A parameter refers to a sample characteristic. Question 3. Question : Data on the city from which members of a board of directors come represent interval data. Question 4. Question : In a fr..
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BUS 308 Week 2 Assignments Problems 4.4, 4.20, 5.12, 6.22(a) ..
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Discussion 2-1/Hypotheses What is a hypothesis test? Why do we need to use them to make decisions about relating sample results to the population; why can’t we just make our decisions by the sample value?..
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Relative Frequency. Conceptually we would expect the probability of newborn males and females to be the same. However, census reports indicate that the ratios of males and females in various countries do not conform to the theoretical prediction. What do you think accounts for this variation? Can..
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Applications for Probability. In what situations might you use probability as a manager to approach business-related problems? What are the advantages to using probability conce..
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Variation exists in virtually all parts of our lives. We often see variation in results in what we spend (utility costs each month, food costs, business supplies, etc.). Consider the measures and data you use (in either your personal or job activities). When are differences (between one..
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Problem Set Week Two Complete the problems below and submit your work in an Excel document. Be sure to show all of your work and clearly label all calculations. All statistical calculations will use the Included in the Week Two tab of theEmployee Salary Data Set are 2 one-sample t-tests ..
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1.         Question :       How is the sum of squares unlike either the standard deviation or the variance?  2.        Question :       If sums of ..
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1. Question : In a statistical study, the random variable X = 1, if the house is colonial, and X = 0 if the house is not colonial, then it can be s..
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1. Question : What is the relationship between the power of a statistical test and decision errors? Question 2. Question : The desired sample depends on all of these factors except? Question 3. Question : What question does the z test answer? Question 4. Question : The desir..
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BUS 308 Week 3 Assignments Problems 7.11, 7.30, 8.8, 8.38 ..
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In many ways, comparing multiple sample means is simply an extension of what we covered last week. Just as we had 3 versions of the t-test (1 sample, 2 sample (with and without equal variance), and paired; we have several versions of ANOVA – single factor, factorial (called 2-factor with re..
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Unscientific Sampling. Consider question 7.45 from the text: A Milwaukee television station, WITI-TV, conducted a telephone call-in survey asking whether viewers liked the new n..
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Article Review. Many articles present statistical data and list margins of error (for example, reports on political opinion polls, growth or decline of the housing markets,..
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Several statistical tests have a way to measure effect size. What is this, and when might you want to use it in looking at results from these tests on job related data?..
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