May 26, 2022

How do statistics and analytics help businesses make better decisions? 1. Research on the applications of statistics and analytics in different industries, e.g. e-commerce, finance, education, or healthcare. Find a case study that interest you the most, what is the business problem of the case study? How do they collect the […]

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May 25, 2022

A Survey of 30 people to find out if they are left-handed or right-handed, and use the following chart to create a contingency table with the information. Left handed= 6 Right handed = 24 Total Female lefty =4 righty=16 Male lefty Total= 2 righty=8 Answer the following questions about the […]

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May 25, 2022

Home>Mathematics homework help>Statistics homework help Rose White’s machine shop uses 2,500 brackets during the course of a year, and this usage is relatively constant throughout the year. These brackets are purchased from a supplier 100 miles away for $15 each, and the lead time is 2 days. The holding […]

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May 24, 2022

Scenario: Your organization is evaluating the quality of its call center operations. One of the most important metrics in a call center is Time in Queue (TiQ), which is the time a customer has to wait before he/she is serviced by a Customer Service Representative (CSR). If a customer has […]

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May 23, 2022

Chi-Square Analysis For this assignment, use data from W1 Midweek Assignment. Using Microsoft Excel and following instructions given in your lectures, conduct a chi-square analysis to determine whether sex and the year in college are related. Report your results in APA format and write one to two sentences interpreting your […]

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May 23, 2022

Chi-square tests are nonparametric tests that examine nominal categories as opposed to numerical values. Consider a situation in which you may want to transform numerical scores into categories. Provide a specific example of a situation in which categories are more informative than the actual values. Suppose we had conducted an […]

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May 23, 2022

For this assignment, use the data you downloaded in your W1 Project. This week, you will explore the hypothesis that a relationship exists between the misinformation effect (the type of information relayed) and the accuracy of the color recalled. Use a chi-square analysis to compare the accuracy of the color […]

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May 23, 2022

Home>Mathematics homework help>Statistics homework help Week 3 Assignment These data come from the 2008 General Social Survey. A subset of 190 respondents were selected at random from the full data set. Variable Information: Children = number of children. Education is highest year of education (e.g., 12 = High School; […]

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May 22, 2022

Assignment: Create Graphs and Charts using Data Previous Next Instructions Download Week 3 Assignment template and data files from this week’s resources. Answer the questions within for this week’s submission. As appropriate, be sure to show your work (either using Excel or your SPSS statistical program output). You can either […]

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May 22, 2022

1. Beth's Butter Works has test marketed their new low-fat butter substitute with two different styles of packaging. They are trying to estimate the sales of the product for each type of packaging. Average daily sales of the product in the traditional plastic tub was 100 units across 16 stores, […]

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May 22, 2022

Home>Mathematics homework help>Statistics homework help This assessment addresses the following course objective(s): · CO3 – Solve business problems with appropriate quantitative decision-making models In this assignment you will perform a multiple regression analysis inside of Microsoft Excel. Complete: A secondary regression using the changed data table you just downloaded. […]

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May 20, 2022

Home>Mathematics homework help>Statistics homework help Individual Assignment on Logistic Regression The data if any needed for this assignment is posted on eLearn. If after giving some thought, you have problems doing this assignment, do not hesitate to email or meet with me. You can discuss with each other, but […]

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May 20, 2022

Article from US Department of Health and Human Services/Centers for Disease Control and Prevention MMWR / October 23, 2020 / Vol. 69 / No. 42 pg. 1517-1521Summarize the article in one paragraph, then answer the following questions… A. What type of study is used in the article (quantitative or qualitative)? […]

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May 20, 2022

Need help with the following: TASK1: Answer the questions and provide a few peer-reviewed references TASK2: Develop a 6-8 page APA 6th ed. APA formatted the paper and include citations throughout the text. Include an abstract, introduction and a clear thesis, several body paragraphs, numerical examples, and a conclusion. Include […]

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May 18, 2022

You are interested in knowing whether wealthier people are happier. You collected data from fifty people about their incomes and their overall happiness levels on a scale of 1 to 10. Upon analyzing the results, you find that the correlation coefficient has a value of −0.25. On the basis of […]

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May 18, 2022

For this assignment, use data from W1 Project. This week, you will explore the hypothesis that higher levels of stress are associated with lower levels of confidence. Using Microsoft Excel, compute a correlation coefficient between the stress score and confidence scores, following the instructions given in your lecture. Using the […]

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May 18, 2022

1. Giventhatzisthestandardnormalvariable(withmean0andstandarddeviation1),find a. P(-1.25<z<2.55) b.P(1.03<z<2.33) 2. Given that IQ scores are normally distributed with μ = 100 and σ = 15 , find probability that individual will have an IQ level: a. between 68 and 120 b. Above 90 c. below110 3. Theserumcholesterollevelsformeninoneagegrouparenormallydistributedwithamean of 178.1 and a standard deviation […]

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May 18, 2022

For this assignment, use data from W1 Midweek Assignment. Using Microsoft Excel, compute a correlation coefficient between age and height, following instructions in your lecture. Using the appropriate table in your textbook, find the critical value to determine whether the correlation coefficient between these two variables is significant, following instructions […]

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May 16, 2022

PLEASE READ CAREFULLY BEFORE ACCEPTING & CHECK THE ATTACHED. Attached you will find the following Assignment 10, which is basically the main questions ; and the following documents are the Data used to solve : 1- Automobile… 2- CreditRiskD… 3- Collegesand…. However, I have tried to solve the problem and […]

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May 16, 2022

Answer this with proper references… For each data set, propose your idea of how best to represent the key information. To organize your data would you choose to use a frequency table, a cumulative frequency table, or a relative frequency table? Why? What type of graph would you use to […]

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