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You are the manager at a company and are asked to present a report on the yeartodate 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 represent the main aspects of the performance of your division? What types of graphical presentation (histogram, dot plot, stemandleaf, bar chart, etc.) would you include? Explain your reasoning
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Imagine that you are a manager at a delivery service and you are creating a report toproject the effects on your company of rising gas prices in the next&nbs..

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Linear Correlation. Do you think there is a correlation between CEO salaries and the degree of success of a company? If you were to take a sample of companie..

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Quality Control. Visit the websites on Quality Control (QC) listed in the Required Websites for this week. In addition, locate an article on the Internet or in th..

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Calculate the mean yearly value using the average gas prices by month found in the"Final Project Data Set".
2.Using the years as your xaxis and the annual mean&nb..

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1. Question : Consider using pvalue to test H0 versus Ha by setting α equal to .10. We reject H0 at level α of significance if and only if the pvalue ..

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Creating Hypotheses. Assume you are the manager of a paint manufacturing factory. Your company has received complaints from customers that the containers hold less than the..

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Give an example of a hypothesis test you could perform at work or at home. State what the Null and the Alternative hypotheses would be in your test. Explain&..

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BUS 308 Week 4 Assignments Problems 9.13, 9.22, 12.10, 12.18(a)
..

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1. Question : There is little difference between the values of ta/2 and Za/2 when the sample
2. Question : If the population proportion is .4 with a s..

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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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Unscientific Sampling. Consider question 7.45 from the text: A Milwaukee television station, WITITV, conducted a telephone callin survey asking whether viewers liked the new n..

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BUS 308 Week 3 Assignments Problems 7.11, 7.30, 8.8, 8.38
..

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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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Applications for Probability. In what situations might you use probability as a manager to approach businessrelated problems? What are the advantages to using probability conce..

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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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BUS 308 Week 2 Assignments Problems 4.4, 4.20, 5.12, 6.22(a)
..

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1. Question : The two types of quantitative variables are
2. Question : As a general rule, when creating a stemandleaf display, there should be between ..

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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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You are the manager at a company and are asked to present a report on the yeartodate 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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BUS 308 Week 1 Problems 1.2, 1.17, 3.3 and 3.22
..

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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..

This Tutorial was purchased 6 times & rated A+ by student like you. 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..

This Tutorial was purchased 4 times & rated A+ by student like you. This tutorial contains 2 Different Papers
The final paper provides you with an opportunity to integrate and reflect on what you have learned during the class.
The question to address is: “What have you learned about statistics?” In developing your responses, consider – at a minimum – a..

This Tutorial was purchased 5 times & rated A by student like you. ASSIGNMENT WEEK 5
1. Create a correlation table for the variables in our (Use analysis ToolPak or StatPlus:mac LE function Correlation).
a. Reviewing the data levels from week 1, what variables can be used in a Pearson’s Correlation Table (which is what Excel produces)?
b. Place th..

This Tutorial was purchased 1 times & rated A+ by student like you. Discussion 52/Regression
At times we can generate a regression equation to explain outcomes.
For example, an employee’s salary can often be explained by their pay grade, appraisal rating, education level, etc.
What variables might explain or predict an outcome in your department or life?..

This Tutorial was purchased 0 times & rated No rating by student like you. Discussion 51/Correlation
What results in your departments seem to be correlated or related to other activities?
How could you verify this? Create a null and alternate hypothesis for one of these issues.
What are the managerial implications of a correlation between these variables?..

This Tutorial was purchased 3 times & rated A by student like you. 1. Question : The goodness of fit test null hypothesis states that the sample data does not match an expected distribution.
Question 2. Question : Statistical significance in the Chisquare test means the population distribution (expected) is not the source of the sample (observed) data.
..

This Tutorial was purchased 5 times & rated A by student like you. ASSIGNMENT WEEK 4
Let’s look at some other factors that might influence pay. 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
1. Using our sample data, const..

This Tutorial was purchased 1 times & rated A+ by student like you. Discussion 42/ChiSquare Tests
Chisquare tests are great to show if distributions differ or if two variables interact in producing outcomes.
What are some examples of variables that you might want to check using the chisquare tests? What would these results tell you?..

This Tutorial was purchased 3 times & rated No rating by student like you. Discussion 41/Confidence Intervals
Many people do not “like” or “trust” single point estimates for things they need measured.
Looking back at the data examples you have provided in the previous discussion questions on this issue, how might
adding confidence intervals help managers accep..

This Tutorial was purchased 4 times & rated A by student like you. ASSIGNMENT WEEK 3
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
(Note: Questions 1 4 have additional elements to respond to below the analysis results...

This Tutorial was purchased 1 times & rated A+ by student like you. 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?..

This Tutorial was purchased 0 times & rated No rating by student like you. 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 ttest (1 sample, 2 sample (with and without equal variance), and paired;
we have several versions of ANOVA – single factor, factorial (called 2factor with re..

This Tutorial was purchased 3 times & rated A by student like you. 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..

This Tutorial was purchased 4 times & rated A by student like you. 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 onesample ttests ..

This Tutorial was purchased 1 times & rated A+ by student like you. 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..

This Tutorial was purchased 0 times & rated No rating by student like you. Discussion 21/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?..

This Tutorial was purchased 3 times & rated A by student like you. 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..

This Tutorial was purchased 4 times & rated A by student like you. 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..

This Tutorial was purchased 1 times & rated A+ by student like you. 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..

This Tutorial was purchased 2 times & rated No rating by student like you. Discussion 11/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..
