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### QNT 351 Reading feeds the Imagination /newtonhelp.com

### QNT 351 Final Exam Guide (New)

### QNT 351 Final Exam Guide (New, 2017) Score 30/30

### QNT 351 Final Exam Guide

### QNT 351 Week 1 Connect Problems

### QNT 351 Week 1 DQ 1

### QNT 351 Week 1 DQ 2

### QNT 351 Week 1 DQ 3

### QNT 351 Week 1 DQ 4

### QNT 351 Week 1 DQ 5

### QNT 351 Week 1 DQ 6

### QNT 351 Week 1 Individual Assignment Statistics in Business (2 Sets)

### QNT 351 Week 1 Introduction to Statistical Thinking Worksheet

### QNT 351 Week 2 Connect Problems

### QNT 351 Week 2 DQ 1

### QNT 351 Week 2 DQ 2

### QNT 351 Week 2 DQ 3

### QNT 351 Week 2 DQ 4

### QNT 351 Week 2 DQ 5

### QNT 351 Week 2 Excel Problem Graphical Technique

### QNT 351 Week 2 Learning Team Assignment Data Collection (2 Sets)

### QNT 351 Week 2 Probability Worksheet

### QNT 351 Week 2 Team Assignment Descriptive Statistics Real Estate Data Part 1 (New)

### QNT 351 Week 3 Connect Problems

### QNT 351 Week 3 DQ 1

### QNT 351 Week 3 DQ 2

### QNT 351 Week 3 DQ 3

### QNT 351 Week 3 DQ 4

### Qnt 351 Week 3 Excel Problems Measuring Salespeople Performance

### QNT 351 Week 3 Individual Assignment Real Estate Data

### QNT 351 Week 3 Team Assignment Sampling Distributions Real Estate Part 2 (New)

### QNT 351 Week 3 Team Assignment Summarizing and Presenting Data (2 Sets)

### QNT 351 Week 4 Connect Problems

### QNT 351 Week 4 DQ 1

### QNT 351 Week 4 DQ 2

### QNT 351 Week 4 DQ 3

### QNT 351 Week 4 DQ 4

### QNT 351 Week 4 Excel Problems Measures of Relative Standing and ProbabilityDistribution

### QNT 351 Week 4 Individual Assignment Real Estate Data

### QNT 351 Week 4 Learning Team Reflection (2 Sets)

### QNT 351 Week 4 Two Population Means Worksheet

### QNT 351 Week 5 Individual Assignment Real Estate Data

### QNT 351 Week 5 Learning Team Assignment Analyzing and Interpreting Data Paper and Presentation

### QNT 351 Week 5 Team Assignment Real Estate Regression Exercise (New)

### QNT 351 Reading feeds the Imagination /newtonhelp.com

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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?

2An 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?

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QNT 351 Final Exam Guide (New, 2017) Score 30/3

The mean amount spent by a family of four on food is $500 per month with a standard deviation of $75. Assuming that the food costs are normally distributed, what is the probability that a family spends less than $410 per month?

• 0.1151

• 0.0362

• 0.8750

• 0.2158

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1) The main purpose of descriptive statistics is to

2) The general process of gathering, organizing, summarizing, analyzing, and interpreting data is called

3) The performance of personal and business investments is measured as a percentage, return on investment. What type of variable is return on investment?

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QNT 351 Week 1 Connect Problem

1. Which of the following is an example of a continuous variable?

2. The incomes of 50 loan applicants are obtained. Which level of measurement is income?

3. The members of each basketball team wear numbers on their jerseys. What scale of measurement are these numbers considered?

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Week 1 DQ1

Where would you see descriptive statistics used in your work place?

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Week 1 DQ2

How would you define dependent and independent variables? What is their significance in research? Explain with examples.

Related Tutorials

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Week 1 DQ3

Develop five demographic questions to measure gender, age, years of experience, level of education, and ethnicity. Identify the level of measurement used for each

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Week 1 DQ4

How would you define a variable? What is the difference between a dependent and independent variable? Do you think both variables are used in every research? Explain why or why not. Provide examples.

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Week 1 DQ5

What is the importance of statistics in business decision making? Describe a business situation where statistics was used in making a decision.

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Week 1 DQ6

What are the four data measurement scales? Provide two examples and explain the importance of each in business research.

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This tutorial contains 2 different Sets of papers

Define statistics.

Identify different types of statistics.

Describe the role of statistics in business decision making.

Write a 300-word summary providing at least three examples or problem situations in which statistics was used or could be used.

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Complete the Introduction to Statistical Thinking Worksheet.

Format your assignment consistent with APA guidelines.

Click the Assignment Files tab to submit your assignment.

There are 23 people at a party. Explain what the probability is that any two of them share the same birthday.

A cold and flu study is looking at how two different medications work on sore throats and fever. Results are as follows:

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QNT 351 Week 2 Connect Problem

1. The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience.

a. What is the expected number of admissions for the fall semester?

b. Compute the variance and the standard deviation of the number of admissions.

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Week 2 DQ1

Can mean, median, or mode be calculated from all statistical data? Explain why or why not. When is the mean the best measure of central tendency? When is the median the best measure of central tendency?

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Week 2 DQ2

Describe a business situation, other than what has already been selected by fellow students or selected from the team assignment, where mean and standard deviation can be used in decision making. Describe how calculation of mean and standard deviation can help in making a decision.

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Week 2 DQ3

What level of data is a telephone number? Explain.

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Week 2 DQ4

Does all data have a mean, median, or mode? Why or why not? When is the mean the best measure of central tendency? When is the median the best measure of central tendency?

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Week 2 DQ5

Why is the population shape a concern when estimating a mean? What effect does sample size, n, have on the estimate of the mean?

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Question 1

Plot a 100% stacked column chart for television sales by year.

U.S. Television Sales, 2002 - 2005 ($ thousands)

Projection TV LCD TV Plasma TV

2002 3,574 246 515

2003 4,351 664 1,590

2004 6,271 1,579 2,347

2005 5,320 3,295 4,012

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Discuss with your team whether you have data from RES/351, and if your team would like to use one team member’s data for the Learning Team assignments in this course.

If using data from RES/351:

Resources: Data collected from RES/351

Prepare a 700- to 1,050-word written report along with a 5- to 7-slide Microsoft® PowerPoint® presentation for the senior management team or stakeholders of your RES/351 research project to present your findings.

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Complete the Probability Worksheet.

Format your paper consistent with APA guidelines.

Click the Assignment Files tab to submit your assignment.

Maximum and Minimum Temperatures

Search the Internet for U.S. climate data.

Choose the city in which you live.

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Search the Internet for a realty site.

Select a hometown of someone on your team in the search section on the website you have chosen. When all of the listings populate, make sure that the sort criteria reads "New Listings." This ensures that you are searching a random cross-section of listings rather than favoring one price range.

Review the new listings that populate.

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Award: 10 out of 10.00 points

A sample of 43 observations is selected from a normal population. The sample mean is 30, and the population standard deviation is 3. Conduct the following test of hypothesis using the 0.05 significance level.

a. Is this a one- or two-tailed test?

b. What is the decision rule? (Round your answer to 3 decimal places.)

c. What is the value of the test statistic? (Round your answer to 2 decimal places.)

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Week 3 DQ1

What are the differences between probability and coincidence? Can the probability be more than 1 or less than 0? Explain why or why not.

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Week 3 DQ2

What is the role of probability concepts in business decision-making? Provide specific examples.

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Week 3 DQ3

What are the basic differences between a discrete and a continuous distribution?

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Week 3 DQ4

What are the characteristics of standard normal distribution? Explain how to calculate the z-test static. Explain how a z-value is used to calculate the area under the distribution and the meaning of P(0 to z) when z = 1.96.

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Week A B C D

1 1774 2205 1330 1402

2 1808 1507 1295 1665

3 1890 2352 1502 1530

4 1932 1939 1104 1826

5 1855 2052 1189 1703

6 1726 1630 1441 1498

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Resources: Appendix A1 at the end of Basic Statistics for Business and Economics

Answer question 68 in the Data Set Exercises from Ch. 3 of Basic Statistics for Business and Economics.

Answer question 34 in the Data Set Exercises from Ch. 4 of Basic Statistics for Business and Economics.

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Use the real estate data that you used for your learning team project that was due in Week 2.

Complete the Sampling Distributions - Real Estate Part 2 worksheet.

Format your assignment consistent with APA guidelines.

Click the Assignment Files tab to submit your assignment.

Review the data and for the purpose of this project please consider the 100 listing prices as a population.

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If using RES/351 data:

Revise the report submitted in Week Two based on the feedback provided by the instructor in the team assignment, and insight gained by reading.

Summarize the data collected using descriptive statistics. Descriptive statistics should be in the forms of frequency distribution table, measures of mean, median, mode, standard deviation, and graphical display of data.

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QNT 351 Week 4 Connect Problem

The Production department of Celitronics International wants to explore the relationship between the number of employees who assemble a subassembly and the number produced. As an experiment, 2 employees were assigned to assemble the subassemblies. They produced 13 during a one-hour period, then 4 employees assembled them. They produced 22 during a one hour period. The complete set of paired observation follows

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Week 4 DQ1

What are some terms related to hypothesis testing with which you are already familiar? Why do null and alternative hypotheses have to be mutually exclusive?

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Week 4 DQ2

Why does the significance level differ among industries? Will the null hypothesis be more likely to be rejected at α = 0.01 than α = 0.10? As the significance level increases to α = 0.10 from α = 0.01, which type error is more likely to occur? What can be done to reduce the likelihood of incurring this error?

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Week 4 DQ3

Please explain the five steps used in hypothesis testing. How does the five-step procedure for hypothesis testing differ when comparing two groups using a t- or z-test? How is the process similar?

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Week 4 DQ4

Please explain terms related to hypothesis testing; please explain null and alternate hypotheses, explain the difference between two different test statistics, then define the equations used in both. Why do null and alternative hypotheses have to be mutually exclusive?

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Problem 1

Figure below gives the boxplots comparing the base yearly salaries of employeesin marketing and employees in research for a large company. Identify the five number summaries. for each profession. Interpret them like we did in the class.

Problem 2

An insurance company determines that in every 100 claims, 4 are fraudulent. What is the probability that the next claim the company processes will be fraudulent?

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Resources: Appendix A1 at the end of Basic Statistics for Business and Economics

Answer question 60 (both parts a. and b.) in the Data Set Exercises from Ch. 6 of Basic Statistics for Business and Economics.

Answer question 54 (both parts a. and b.) in the Data Set Exercises from Ch. 7 of Basic Statistics for Business and Economics.

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QNT 351 Week 4 Learning Team Reflection

This tutorial contains 2 different sets

Discuss the following with your Learning Team:

The steps in testing a research hypothesis

Comparing the means of two or more groups

Calculating the correlation between two variables

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A tomato farmer with a very large farm of approximately 2200 acres had heard about a new type of rather expensive fertilizer which would supposedly significantly increase his production. The frugal farmer wanted to test the new fertilizer before committing the large investment required to fertilize a farm of his size. He therefore selected 15 parcels of land on his property and divided them each into two portions. He bought just enough of the new fertilizer to spread over one half of each parcel and then spread the old fertilizer over the other half of each parcel. His yields in pounds per tomato plant were as follows:

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Resources: Appendix A1 at the end of Basic Statistics for Business and Economics

Answer question 58 in the Data Set Exercises from Ch. 10 of Basic Statistics for Business and Economics.

Answer question 62 in the Data Set Exercises from Ch. 13 of Basic Statistics for Business and Economics.

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If using RES/351 data:

Ask your instructor for specific information regarding the analysis you are required to perform for your data set.

Combine your Week Two Learning Team assignment and Week Three findings with Week Five findings and make a recommendation to the research problem.

Use the statistical tables given in the appendices of the textbook and a statistical analysis application: a Microsoft® Excel® spreadsheet, Minitab® statistical software, or SPSS™ software.

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Complete the Real Estate Regression Exercise.

Format your paper consistent with APA guidelines.

Click the Assignment Files tab to submit your assignment.

You are consulting for a large real estate firm. You have been asked to construct a model that can predict listing prices based on square footages for homes in the city you’ve been researching. You have data on square footages and listing prices for 100 homes.

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