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QNT 275 course provides students with the opportunity to integrate and apply their learning from the course.

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qnt 275 entire course 2 set no final guide

QNT 275 Entire Course (2 Set, No Final Guide)

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This Tutorial contains 2 Papers for each Assignment

QNT 275 Week 1 Individual Assignment Statistics in Business (2 Papers)

QNT 275 Week 2 Individual Assignment Activity Data Set (Little Town Cafe)

QNT 275 Week 2 Assignment Mini-Project 3-2 

 QNT 275 Week 3 CLO Business Decision Making Project Part 1 (2 Papers)

qnt 275 entire course 2 set with final guide

QNT 275 Entire Course (2 Set, With Final Guide)

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This Tutorial contains 2 Papers for each Assignment

QNT 275 Final Exam Guide (New, 2017)

QNT 275 Week 1 Individual Assignment Statistics in Business (2 Papers)

QNT 275 Week 2 Individual Assignment Activity Data Set (Little Town Cafe)

QNT 275 Week 2 Assignment Mini-Project 3-2 

qnt 275 final exam guide new 2017

QNT 275 Final Exam Guide (New, 2017)

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1

To make tests of hypotheses about more than two population means, we use the:

t distribution

normal distribution

chi-square distribution

qnt 275 week 1 dq 1

QNT 275 Week 1 DQ 1

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

qnt 275 week 1 dq 2

QNT 275 Week 1 DQ 2

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Select four variables, other than what your fellow students have already selected, that could be measured by nominal, ordinal, interval, and ratio scale. Classify them by measurement scale and select descriptive statistics that can be used to summarize data. Use the following table when posting your response:

Variable

Level of Measurement

Descriptive Stat and Justify Selection

qnt 275 week 1 dq 3

QNT 275 Week 1 DQ 3

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How do we define measurement? What are various levels of measurement? How do you select measurement levels when developing a survey or data collection tool? Explain with examples.

qnt 275 week 1 individual assignment statistics in business 2 papers

QNT 275 Week 1 Individual Assignment Statistics in Business (2 Papers)

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This Tutorial contains 2 Papers

Develop a 875-word response that addresses each of the following prompts:

Define statistics with citation and reference.

Contrast quantitative data and qualitative data. Use two Peer Reviewed references.

Evaluate tables and charts used to represent quantitative and qualitative data.

Describe the levels of data measurement.

Describe the role of statistics in business decision

qnt 275 week 1 practice set

QNT 275 Week 1 Practice Set

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The following table lists the number of deaths by cause as reported by the Centers for Disease Control and Prevention on February 6, 2015:

Cause of Death Number of Deaths

qnt 275 week 2 assignment miniproject 3 2

QNT 275 Week 2 Assignment MiniProject 3 2

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ou are employed as a statistician for a company that makes household products, which are sold by part-time salespersons who work during their spare time. The company has four salespersons employed in a small town. Let us denote these salespersons by A, B, C, and D.

The sales records (in dollars) for the past 6 weeks for these four salespersons are shown in the table below.

Week   A         B         C         D

1          1774    2205    1330   

qnt 275 week 2 dq 1

QNT 275 Week 2 DQ 1

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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.

qnt 275 week 2 dq 2

QNT 275 Week 2 DQ 2

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What are the various methods one can use to identify the shape of data distribution collected for research study? Why it is important to know the shape of distribution? How it can be used in decision making? Provide examples other than those already posted in class.

qnt 275 week 2 dq 3

QNT 275 Week 2 DQ 3

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Select an article from a news magazine or research journal where data is displayed in a pie or bar chart. Describe the data displayed in the chart and what conclusion you could draw.

qnt 275 week 2 individual assignment activity data set little town cafe

QNT 275 Week 2 Individual Assignment Activity Data Set (Little Town Cafe)

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Review the following business scenario:

You are the manager in a small town in the lake district of a Midwestern state enjoys a robust tourist season during the summer months, but has only a small population of residents during the off season. The Littletown Café adjusts the levels of staff according to the time of year, to coincide with the number of guests, with the tourist season typically starting around Memorial Day each year. One wait staff employee can serve 50 guests. When a bus staff employee is added, the pair can serve 75 guests. At 76 guests, the café adds a second wait staff employee, for a total of 2 waiters and one busser. Analysis of guest numbers can support future decisions about scheduling

qnt 275 week 2 individual assignment business problem

QNT 275 Week 2 Individual Assignment Business Problem

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I2 (Week 2) Individual Assignment: Business Problem: Prepare a paper examining a business problem confronting your organization or an organization you know of that you feel could be addressed through the application of the business research process. Describe the problem. Then present the research purpose and one research question addressing an aspect of this problem. The question must contain the variable you will measure. Discuss the measured variable. Use the business research problem sample I2 as a guide. This paper should be between 300-600 words. Post to the individual assignment forum. Title the document file "Business Statistics Research Problem I2".

Materials

qnt 275 week 2 mini project 3 3 movie data set

QNT 275 Week 2 Mini- Project 3-3 (Movie Data Set)

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Purpose of Assignment 

This assignment provided students with practice in understanding the relationship of averages and standard deviation to make an informed business decision about the gross income performance of each movie genre. Students will learn to implement the use of these statistical measures for better business decision-making. 

Resources: Week 2 Videos; Week 2 Readings; Statistics Lab 

Tutorial help

qnt 275 week 2 practice set

QNT 275 Week 2 Practice Set

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List the simple events for each of the following statistical experiments in a sample space.

One roll of a die.

Note: Separate your response with a comma (,). For example 22, 23, 24

Three tosses of a coin.

Note: Use this notation for your answer. heads = H. tails = T. For example HT, TH

One toss of a coin and one roll of a die

qnt 275 week 2 quiz

QNT 275 Week 2 Quiz

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1.         In order to summarize qualitative data, a useful tool is a __________.

2.         A stem-and-leaf diagram is constructed by separating each value of a data set into two parts. What are these parts?

3.         A recent survey of 200 small firms (annual revenue less than $10 million) asked whether an increase in the minimum wage would cause the firm to decrease capital spending. Possible responses to the survey question were: "Yes," "No," or "Don't Know." These data are best classified as ____________.

qnt 275 week 3 clo business decision making project part 1 2 papers

QNT 275 Week 3 CLO Business Decision Making Project Part 1 (2 Papers)

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CLO Business Decision-Making Project Part 1

Identify a business problem or opportunity at a company where you work or with which you're familiar. This will be a business problem that you use for the individual assignments in Weeks 3-5. It should be a problem/opportunity for which gathering and analyzing some type of data would help you understand the problem/opportunity better.

Identify a research variable within the problem/opportunity that could be measured with some type of data collection.

qnt 275 week 3 dq 1

QNT 275 Week 3 DQ 1

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An oil change shop advertised to change oil within 15 minutes. Based on the data collected on a typical day, what is the probability that oil change will take 15 minutes or less time? Based on the data, do you think the business claim is valid? Explain why or why not.

Class Interval

Frequency

6 to 10 minutes

3

11 to 15 minutes

2

qnt 275 week 3 dq 2

QNT 275 Week 3 DQ 2

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What are some conditions under which business decisions are made using subjective probability concepts? Provide at least two examples of subjective probability.

qnt 275 week 3 dq 3

QNT 275 Week 3 DQ 3

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What are the characteristics of standard normal distribution? The HR department of an organization collects data on employees' age, salary, level of education, gender, and ethnicity. Which data do you think is more likely to follow normal distribution? Explain why.

qnt 275 week 3 individual assignment descriptive statistics score 85

QNT 275 Week 3 Individual Assignment Descriptive Statistics (Score 85%)

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Individual Assignment: Descriptive Statistics:

Identify a research problem different from the previous research problems that uses two different sets of the same type of data. Example: Sales from two different months or years. GPA's of men and women. Number of two different shelf items sold (Coke & Pepsi) by month over a year. Home sales prices in different suburbs, cities, counties or states. You wish to determine if there is a significant difference between the means of the data sets. Select data that have absolute zero measurements (Ratio data). You may use recorded data or made up data.

qnt 275 week 3 probability case study 5 2

QNT 275 Week 3 Probability Case Study 5.2

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Week 3 Learning Team Collaboration Discussion: Probability

Resource: Case Study 5.2 in Chapter 5 of Essentials of Business Statistics

Calculate the requested probabilities for items 1-3.

Discuss your findings for the probabilities.

What was the smoking trend from 1997-2007?

Is this a discrete, continuous

qnt 275 week 3 probability case study 5 2 1

QNT 275 Week 3 Probability Case Study 5.2

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Week 3 Learning Team Collaboration Discussion: Probability

Resource: Case Study 5.2 in Chapter 5 of Essentials of Business Statistics

Calculate the requested probabilities for items 1-3.

Discuss your findings for the probabilities.

What was the smoking trend from 1997-2007?

Is this a discrete, continuous, or conditional probability? Why?

How do probabilities hel

qnt 275 week 3 quiz

QNT 275 Week 3 Quiz

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Question 1:        •         You work in marketing for a company that produces work boots. Quality control has sent you a memo detailing the length of time before the boots wear out under heavy use. They find that the boots wear out in an average of 208 days, but the exact amount of time varies, following a normal distribution with a standard deviation of 14 days. For an upcoming ad campaign, you need to know the percent of the pairs that last longer than six

qnt 275 week 4 clo business decision making project part 2 2 papers

QNT 275 Week 4 CLO Business Decision Making Project Part 2 (2 Papers)

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CLO Business Decision Making Project, Part 2

Use the same business problem/opportunity and research variable you wrote about in Week 3.

Remember: do not actually collect any data; think hypothetically.

Develop a 1,050-word report in which you:

• Identify the types of

qnt 275 week 4 dq 1

QNT 275 Week 4 DQ 1

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What is the difference between an independent and a dependent variable? Does a regression model imply causation? Explain why or why not.

qnt 275 week 4 dq 2

QNT 275 Week 4 DQ 2

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Does correlation equal causation? Does the strength of correlation depend on the direction? What is the meaning of a zero correlation? Explain your answers.

qnt 275 week 4 dq 3

QNT 275 Week 4 DQ 3

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What are the requirements that must be met for a regression analysis? What happens if these requirements are violated? Why is analysis of residuals important?

qnt 275 week 4 individual assignment t test i4

QNT 275 Week 4 Individual Assignment t-test I4

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Individual Assignment: t-test I4: Identify a research problem different from the previous research problems that uses two different sets of the same type of data. Any subject may be chosen. Some examples: Sales from two different months or years. GPA's of men and women. Number of two different shelf items sold (Coke & Pepsi) by month over a year. Home sales prices in different suburbs, cities, counties or states. You wish to determine if there is a significant difference between the means of the data sets. Select data that have absolute zero measurements (Ratio data). You may use recorded data or made up data. The n sample size should be at least 10 in each set

qnt 275 week 4 linear regression case 12 1

QNT 275 Week 4 Linear Regression Case 12 1

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Resource: Case Study 12.1 in Chapter 12 of Essentials of Business Statistics.

Click the Sushi Restaurant Data Set link.

Calculate the linear regression in item 1 of the case study.

Discuss the following with your team:

Explain if simple regression or multiple regression

qnt 275 week 4 practice set

QNT 275 Week 4 Practice Set

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Find z for each of the following confidence levels. Round to two decimal places.

90%

95%

96%

97%

98%

99%

For a data set obtained

qnt 275 week 4 quiz

QNT 275 Week 4 Quiz

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Question 1:      •           Serial correlation is typically observed in:

Question 2:      •           Another name for an explanatory variable is the ___.

Question 3:      •           Which of the following variables is not qualitative?

Question 4:      •           Consider the following simple linear regression model: y=βo+β1^(x+ε)   The response variable is:        

Question 5:      •          Which of the following

qnt 275 week 4 quiz 1

QNT 275 Week 4 Quiz

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Question 1:      •           Serial correlation is typically observed in:

Question 2:      •           Another name for an explanatory variable is the ___.

Question 3:      •           Which of the following variables is not qualitative?

Question 4:      •           Consider the following simple linear regression model: y=βo+β1^(x+ε)   The response variable is:        

Question 5:      •          Which of the following violates the assumptions of regression analysis?

Question 6:      •          In a simple linear

qnt 275 week 5 assignment business problem or opportunity presentation

QNT 275 Week 5 Assignment Business Problem or Opportunity Presentation

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Prepare an 11- to 15-slide Microsoft® PowerPoint® presentation for the senior management team based on the business problem or opportunity you described in Weeks 3 and 5.

Include on the slides what you would want the audience to see (include appropriate visual aids/layout). In the Speaker Notes section, include what you would say as you present each slide. If any source material is quoted or paraphrased in the presentation, use APA citations and references.

Draw on material you developed in the Week 3 and 4 assignments.

Include the following in your presentation: 

• Introduction slide

• Agenda slide

• Describe the organization,

qnt 275 week 5 clo business decision making project part 3 2 ppt

QNT 275 Week 5 CLO Business Decision Making Project Part 3 (2 PPT)

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CLO Business Decision Making Project, Part 3

Prepare an 11- to 15-slide Microsoft® PowerPoint® presentation for the senior management team based on the business problem or opportunity you described in Weeks 3-4.

Include on the slides what you'd want the audience to see (include appropriate visual aids/layout) and include in the Speaker's Notes section what

qnt 275 week 5 dq 2

QNT 275 Week 5 DQ 2

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How do you know you have validated a research study based on data gathered from primary or secondary sources? Have you been involved with any product test-marketing project? Explain. How did the resulting statistics affect the product's marketing strategy? How can organizations skew the statistical outcomes of their business research?

qnt 275 week 5 dq 2 1

QNT 275 Week 5 DQ 2

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How do you know you have validated a research study based on data gathered from primary or secondary sources? Have you been involved with any product test-marketing project? Explain. How did the resulting statistics affect the product's marketing strategy? How can organizations skew the statistical outcomes of their business research?

qnt 275 week 5 dq 3

QNT 275 Week 5 DQ 3

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In what way has the learning from this course helped you to effectively test hypotheses, draw conclusions, and provide recommendations to management? Consider what you have achieved in your research study conducted for this course.

qnt 275 week 5 individual assignment final z test set 2

QNT 275 Week 5 Individual Assignment Final z-test (Set 2)

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Individual Assignment Final: z-test: Identify a research problem different from the previous research problems that uses two different sets of the same type of data. Example: Sales from two different months or years. GPA's of men and women. Number of two different shelf items sold (Coke & Pepsi) by month over a year. Home sales prices in different suburbs, cities counties or states. You wish to determine if there is a significant difference between the means of the data sets. Select data that have absolute zero measurements (Ratio data). You may use recorded data or made up data. The n sample size should be at least 30 in each set, but not more than 50. Prepare a paper with a table of contents. Describe the research problem, research purpose and one research question. Include a definition of the variables you are measuring. List the data. List alpha, the null and alternative hypothesis, and give a brief back

qnt 275 week 5 individual assignment final z test

QNT 275 Week 5 Individual Assignment Final z-test

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Individual Assignment Final: z-test: Identify a research problem different from the previous research problems that uses two different sets of the same type of data. Example: Sales from two different months or years. GPA's of men and women. Number of two different shelf items sold (Coke & Pepsi) by month over a year. Home sales prices in different suburbs, cities counties or states. You wish to determine if there is a significant difference between the means of the data sets. Select data that have absolute zero measurements (Ratio data). You may use recorded data or made up data. The n sample size should be at least 30 in each set, but not more than 50. Prepare a paper with a table

qnt 275 week 5 practice set

QNT 275 Week 5 Practice Set

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This distribution has only one parameter. The curve is skewed to the right for small df and

becomes symmetric for large df. The entire distribution curve lies to the right of the vertical

axis. The distribution assumes nonnegative values only

1. t distribution

2. Normal distribution

3. Chi-square distribution

4. Linear regression