QNT 561 Week 2 Individual My Statslab Problem Set
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1. A random sample of 87 observations produced a mean = 25.7 and a standard deviation s = 2.6.
2. Health care workers who use latex gloves with glove powder on a daily basis are particularly susceptible to developing a latex allergy. Each in a sample of 50 hospital employees who were diagnosed with a latex allergy based on a skinprick test reported on their exposure to latex gloves. Summary statistics for thr number of latex gloves used per week are = 19.4 and s = 11.6. Complete parts (a) – (d).
3. Each child in a sample of 62 lowincome children was administered a language and communication exam. The sentence complexity scores had a mean of 7.63 and a standard deviation of 8.92. Complete parts a through d.
4. The random sample shown below was selected from a normal distribution.
4, 10, 7,….2. Complete parts a and b.
5. Periodically, a town water department tests the drinking water of homeowners such as lead. The lead levels in water specimens collected for a sample of 10 residents of the town had a mean of 3.1 mg/L and a standard deviation of 1.2 mg/L. Complete parts a through c.
6. A random sample of size n = 250 yielded = 0.20.
7. A newspaper reported that 50% of people say that some coffee shops are overpriced. The source of this information was a telephone survey of 40 adults.
8. An accounting firm annually monitors a certain mailing service’s performance. One parameter of interest is the percentage of mail delivered on time. In a sample of 303,000 items mailed between Dec. 10 and Mar. 3__ the most difficult delivery season due to bad weather and holidays__ the accounting firm determined that 245,200 items were delivered on time. Use this information to make a statement about the likelihood of an item being on time by that mailing service.
9. Suppose oyu’re given a data set that classifies each sample unit into one of four categories: A, B, C, or D. You plan to create a computer database consisting of these data, and you decide to code the data as A = 1, B = 2, C = 3, and D = 4. Are the data consisting of the classifications A, B, C and D qualitative or Quantitative? After the data are input as 1, 2, 3, or 4, are they qualitative or Quantitative?
10. In one university, language professors incorporated a 10week extensive program to improve students’ Japanese reading comprehension. The professors collected 262 books originally written for Japanese children and required their students to read at least 40 of them as part of the grade in the course. The books were categorized into reading levels (colorcoded for easy selection) according to length and complexity. Complete parts a through c.
11. Use the relative frequency table shown to the right to calculate the number of the 400 measurements failing into each of the measurements classes. Then graph a frequency histogram for these data.
12. Five banks have been ranked by the amount charged to credit and debit cards issued by the banks. The table to the right gives the total amount charged in 2007 for the top ranked banks.
13. Compare the zscores to decide which of the x values below lie the greatest above the mean and the greatest distance below the mean.
14. Consider the horizandal box plot shown to the right.
15. Educators are constantly eveluating the efficacy of public schools in the education and training of tudents. One quantitative assessment of change over time is the difference in scores on the SAT. The table below contains the average SAT scores for 10 states for the years 1988 and 2005.
16. The mean gas mileage for a hybrid car is 56 miles per gallon. Suppose that the gasoline mileage is approximately normally distributed with a standard deviation of 3.2 miles per gallon.
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What are differences between dependent and independent samples? Provide examples. What are implications for determining the tests used to analyze data?
..

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What is the value of performing hypotheses tests to solve problems related to business and operations management? Provide specific examples.
..

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1. Consider the pairs of measurements shown to the right.
2. Researchers investigated the effect of tablet surface area to volume on the rate at which a drug is released in a controlledrelease dosage. For six similarly shaped tablet..

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What is the importance of pretesting questions and instruments? What are risks of not doing this? Provide an example.
..

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does technological advancement affect the ability to collect data? Provide examples. Does this advancement increase the chance for errors? Explain.
..

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1. Researchers conducted a survey of a representative sample of over 1,000 drivers. Based on how often each driver engaged in road behaviour, a road rage score was given. The drivers were also grouped by annual income. The data were subjected to an analysis of varian..

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You observe female sales representatives having lower customer defections than male sales representatives. What concepts and constructs would you use to study this phenomenon? How might the concepts or constructs relate to explanatory hypotheses? Explain.
..

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In your organization’s management development program, there was a heated discussion between people who claimed that theory is impractical and not effective, and others who claimed that effective theory is the most practical approach to problems. What position would you take and why?
..

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1. Which hypothesis, the null or the alternative, is the statusquo hypothesis?
2. A university economist conducted a study of elementary school lunch menus. During the statemandated testing period, school lunches averaged 890 calor..

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What is the purpose of sampling? What are some concerns and dangers of sampling? How important is the sample design to data validity? Explain. Provide an example where a sample might misrepresent data validity. For example, reflect on the current political campaign and the pollsters!
..

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What are some examples of operational definitions in research design within your profession? For example, in the education field, graduation rate and retention rate are important operational definitions to measure progress of students. Likewise other professions have common metrics and defin..

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1. A random sample of 87 observations produced a mean = 25.7 and a standard deviation s = 2.6.
2. Health care workers who use latex gloves with glove powder on a daily basis are particularly susceptible to developing a latex al..

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When would you use Chebyshev’s theorem and the empirical rule in business? How are they calculated? Provide one reallife example that requires Chebyshev’s theorem and one that requires the empirical rule.
..

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How may variance and standard deviation be applied to a realworld businessrelated problem? Provide a specific application in which these measures are useful.
..

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1. What is statistics?
2. Explain the difference between descriptive and inferential statistics.
3. Explain the difference between qualitative and quantitative data.
4. &nb..

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QNT 561 Week 1 Assignment Statistics Concepts and Descriptive Measures Instructions (Financial Data)
QNT 561 Week 1 Assignment Statistics Concepts and Descriptive Measures Instructions (Consumer Food)
QNT 561 Week 2 Case Study MBA Schools in Asia Pacific (2 Papers)
..

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This Tutorial contains 2 Sets of Report and Presentation
Complete the cumulative Business Research Report in approx. 1,500 words by collaborating with your team to include the following:
Revised tables or figures based on prior instructor feedback
The description or interpretati..

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This Tutorial contains 2 different sets
Administer the survey.
In a paper in the APA format describe the following:
Determine the sample process including sample contact, survey distribution, and survey collection.
Organize, prepare, and describe the data.
Include tabl..

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Create a Microsoft® Excel® spreadsheet with the two variables from a dataset for your choosing.
Analyze the data with MegaStat®, StatCrunch®, Microsoft® Excel®or other statistical tool(s), including:
(a) Descriptive stats for each numeric variable
and
(b) Histogram for e..

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This Tutorial contains 2 different sets
Create a draft of the survey.
Conduct a pilot pretest having another Learning Team in the class to provide feedback for your team. Chet will create a message thread for each team to place their survey in the Class Discussion Tab.&nb..

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This Tutorial contains 2 different Papers
Develop a plan for your Business Research Project in approx. 800 words.
Revise the research questions based on instructor feedback from the previous week.
Identify population and samples for your research.
Describe w..

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Identify an organization or business for your Learning Team research project.
Describe the products or services it provides.
Identify a problem or dilemma faced by the organization that could be addressed by research.
Discuss the problem as a team..

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Identify an organization from any member in your Learning Team or an organization with which your team is familiar. If an actual company is used, disguise its name with a pseudonym.
Identify one independent variable and one dependent variable based on the business. Operation..

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Chapter 13:
Ex 6) The owner of Maumee FordMercuryVolvo wants to study the relationship between the age of a car and its selling price. Listed below is a random sample of 12 used cars sold at the dealership during the last year.
a. If we wan..

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Chapter 10:
Ex 2) A Sample of 36 observations is selected from a normal population. The sample mean is 12, and the population standard deviation is 3. Conduct the following test of hypothesis using the 0.01 significance level.
EX. 10) Given the following hypotheses:
..

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Chapter 8:
Ex 2) The following is a list of 29 hospitals in the Cincinnati (Ohio) and Northern Kentucky region. The hospitals are identified by numbering them 00 through 28. Also included is whether the hospital is a general medical/surgical hospital (M/S) or a specialty hospital (..

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Chapter 5:
Ex 4) A large company must hire a new president. The Board of Directors prepares a list of five candidates, all of whom are equally qualified. Two of these candidates are members of a minority group. To avoid bias in the selection of the candidate, the company decides to..

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Chapter 2:
Ex 4) Two Thousand three hundred frequent business travelers are asked which Midwestern city they prefer: Indianapolis, Saint Louis, Chicago or Milwaukee. 388 liked Indianapolis best, 450 liked Saint Louis, 1212 liked Chicago and the remainder prefers Milwaukee. Develop ..

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Chapter 18:
EX.2) Listed Below is the number of movie tickets sold at the Library CinemaComplex, in thousands, for the period from 2001 to 2013. Compute a fiveyear weighted moving average using weights of 0.15, 0.15, 0.25, 0.16, and 0.29, respectively. Describe the trend in yield..

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Review the Case Study: MBA Schools in AsiaPacific and the Case Study: MBA Schools in AsiaPacific data set.
Prepare a 1,050word managerial report for your boss.
Use the following questions for guidelines and directions on what to include in the report:
1. &nbs..

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Purpose of Assignment
The purpose of this assignment to orient students to the key concepts in statistics. This assignment will introduce students to the language of statistics. Students will also get a chance to warmup on evaluating some basic descriptive statistics using Excel® prior to th..

QNT 561 Week 1 Assignment Statistics Concepts and Descriptive Measures Instructions (Financial Data)
This Tutorial was purchased 5 times & rated A by student like you.
Purpose of Assignment
The purpose of this assignment to orient students to the key concepts in statistics. This assignment will introduce students to the language of statistics. Students will also get a chance to warmup on evaluating some basic descriptive statistics using Excel® prior to th..

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Individual Paper Signature Assignment
About Your Signature Assignment
This signature assignment is designed to align with specific program student learning outcome(s) in your program. Program Student Learning Outcomes are broad
statements that describe what students should know and be abl..

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Week 5
Learning team Paper
Part A : OneSample Hypothesis Testing Cases
Purpose of Assignment
The purpose of this assignment is to develop students' abilities to combine the knowledge of descriptive statistics covered in Weeks 1 and 2 and onesample hypothesis testing to mak..

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Week 5
Individual Paper
· Spicy Wings Case
Purpose of Assignment
The purpose of this assignment is to develop students' abilities to combine the knowledge of descriptive statistics covered in Weeks 1 and 2 and onesample hypoth..

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Individual Paper
Purpose of Assignment
The purpose of the assignment is to develop students' abilities in using datasets to apply the concepts of sampling distributions and confidence intervals to make management decisions.
Assignment Steps
Resources: Micros..

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Learning team paper
Purpose of Assignment
This assignment has two cases. The first case is on expansion strategy. Managers constantly have to make decisions under uncertainty. This assignment gives students an opportunity to use the mean and standard deviation of probability distribut..

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Individual Paper:
Purpose of Assignment
The purpose of this assignment is for students to learn how to make managerial decisions using a case study on Normal Distribution. This case uses concepts from Weeks 1 and 2. It provides students an opportunity to perfor..

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1. James Desreumaux, VP of Human Resources of American First Banks (AFB), is reviewing the employee training programs of AFB banks. His staff randomly selected personnel files for 100 tellers in the Southeast Region and determined that their mean training time ..

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QNT 561 Final Exam Guide (New, 2017)
QNT 561 Week 1 Assignment Statistics Concepts and Descriptive Measures Instructions (Financial Data)
QNT 561 Week 1 Assignment Statistics Concepts and Descriptive Measures Instructions (Consumer Food)
QNT 561 Week 2 Case Study..

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Individual Paper Signature Assignment
About Your Signature Assignment
This signature assignment is designed to align with specific program student learning outcome(s) in your program. Program Student Learning Outcomes are broad
statements that describe what students should know and be abl..

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After reading chapter 12, explain how ANOVA could help to explain the association between two variables. Give an example.
After reading chapter 13, how ANOVA could help to understand the expansion of the hypothesis testing of two variables?
After reading chapter 18, ..
