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# Assignment Details The below scenario describes a real-world or business application that utilizes statistical analysis to help resolve a

Assignment Details

The below scenario describes a real-world or business application that utilizes statistical analysis to help resolve a business problem: increasing efficiency by decreasing processing time. Prepare an analysis by completing five steps of the hypothesis testing with one sample. The report should be a minimum of 5 pages in length.

Last week, your manager asked you to analyze staffing needs for the Foreclosure Department. She was so impressed, and she wants you to create another report for her. Her intention is to decrease the processing time per document.

Based on last week’s report, the average number of processed documents per hour was 15.11, with a standard deviation of 2.666. That is, one document was reviewed in 238.25 seconds. To be objective as much as possible, the manager spoke with an employee whose average was exactly 15 documents per hour. The employee claimed that if she was given a larger monitor, the processing time would be shorter.

They conducted an experiment with a large monitor and measured processing time. After reviewing 20 documents, the calculated average processing time per document was 190.58 seconds. The manager believes that a bigger monitor helped reduce the processing time for reviewing foreclosure documents. Conduct a hypothesis test using a 95% confidence level, which means that significance level a = 0.05.

Use the 5-step process, and explain each term or concept mentioned in each section in the following.

Step 1: Set Up Null and Alternative Hypotheses

Based on the request descriiption, explain if a one-tailed or two-tailed test is needed. If a one-tailed test is needed, is it a left or right-tailed test? Please explain why one alternative is better than the other.

State both of the following hypotheses:

Null hypothesis
Alternative hypothesis
You will need the following information to progress to Step 2:

Standard deviation: Explain what standard deviation is. Locate the calculated standard deviation in the assignment descriiption, and enter here.
Random variable: Explain what a random variable is. Locate it in the assignment descriiption, and enter here.
Test type: Compare and contrast t-test and z-test. Once done, determine which one is appropriate for the experiment given the fact that the sample size is less than 30.
Step 2: Decide the Level of Significance

Explain what the significance level is, and determine whether the one used in the assignment descriiption is high, medium, or low. What does this significance level tell you about this test? Locate the level of significance in the given scenario, and list it in this step.

Significance level = ?

Determine the degree of freedom based on the number of reviewed documents in the new experiment (n = 20) and based on the formula Degree of freedom = n – 1.

Degree of freedom = ?

Critical value = (You will need to use the t-table and find the intersection point between the degree of freedom and the alpha value that is provided in the assignment descriiption.)

Step 3: Calculate the Test Statistics

Calculate the test statistics based on the test type determined in Step 1.

If the determination was done correctly, you should use this formula to calculate the test statistics.

Test statistics = ?

Step 4: Compare the Calculated Test Statistics and the Critical Value

Construct a bell-shaped diagram showing the critical value and the calculated test statistic.

Step 5: Reach a Conclusion

Was the manager’s conclusion correct? Share your conclusions on the assumptions in the scenario using the hypothesis testing that you conducted in the previous four steps.

Use this template to complete your assignment.

Submitting your assignment in APA format means, at a minimum, you will need the following:

Title page: The title should be in all capitals.
Length: 5 pages minimum
Body: This begins on the page following the title page and abstract page and must be double-spaced (be careful not to triple- or quadruple-space between paragraphs). The typeface should be 12-pt. Times Roman or 12-pt. Courier in regular black type. Do not use color, bold type, or italics, except as required for APA-level headings and references. The deliverable length of the body of your paper for this assignment is 5 pages. In-body academic citations to support your decisions and analysis are required. A variety of academic sources is encouraged.
Reference page: References that align with your in-body academic sources are listed on the final page of your paper. The references must be in APA format using appropriate spacing, hanging indent, italics, and uppercase and lowercase usage as appropriate for the type of resource used. Remember, the Reference page is not a bibliography but a further listing of the abbreviated in-body citations used in the paper. Every referenced item must have a corresponding in-body citation.

## Business Question

Prompt: Visit The Motley Fool’s web page on cash flow–based valuation (com/how-to-invest/how-to-value-stocks-cash-flow-based-valuations.aspx (Links to an external site.)).
Requirements: Answer the following questions.
How does the Motley Fool define cash flow? What is the reasoning for this definition?
Per the Fool’s instruction, why do analysts focus on earnings before interest and taxes (EBIT)?
Visit other links at this website that interest you, such as “How to Read a Balance Sheet,” or find out what the “Fool’s Ratio” is. Write a half-page report on what you find.
Must be 400-500 words.

## SPSS Problem Set 4

Business Assignment Help Problem 1
– Write a brief explanation of the difference between one sample and two sample hypothesis testing.

Problem 2: Use the General Social Security Full Time data set (gssft.sav) to complete the following problem. (pic attached)

Test the hypothesis that for all full-time workers, the population value for average hours worked is 40 hours (variable hrs1). You will use the one-sample t-test. (pic attached)
1. What assumptions need to be met to use the one-sample t test? Do you think the data meet the assumptions?
2. What is the null hypothesis that you want to test? The alternative hypothesis?
3. Test the hypothesis, and write a brief summary of your conclusions.
4. Based on the 95% confidence interval for the mean difference, can you reject the null hypothesis that the average population value for hours is 43 hours? Explain.

Problem 3: t-test of means (two variables: testing sample measures as proxy for population in comparison to one another)
Use the Country dataset (country.sav) to complete the following problem. Test the hypothesis that the average life expectancy for males is the same as the average life expectancy for females (variables: lifeexpm and lifeexpf).
1. What is the null hypothesis? What is the alternative hypothesis?
2. Look at the distribution of the differences. Summarize your conclusions and state whether there is a statistical difference in life expectancies.

Problem 4 Use the 04 Cars (04cars.sav) dataset. Compute a new variable called markup = ((suggretail-dealercost)/dealercost)*100. You will use the “Transform>Compute Variable” dialog. You will test the hypothesis that Sports Cars have a higher markup than other cars.
1. Formulate the null hypothesis that you want to test. The alternative hypothesis?
2. Which type of t-test will be used to evaluate your hypothesis? Why are you choosing this method?
3. Test the hypothesis at a 95% confidence level and write a brief summary of your conclusions.

Problem 5 Testing of independent statistics (i.e., means) as proxies to population measures Use the School Salary data set (schoolsalary.sav). You are asked to investigate if male and female school superintendents earn the same pay? Salaries for 20 males and 17 females in a certain metropolitan area are given in the school salary dataset. At ? = .01, were the mean superintendent salaries greater for men than for women?
1. State both hypotheses (Ho and Ha).
2. State the decision rule and sketch it as a bell curve diagram.
3. Conduct an independent t-test of the above hypothesis and state your findings.

After completing the problems:
– Copy the relevant SPSS output to a MS Word document. (You can simply copy and paste)
– Add your analytic comments to each problem prior to the SPSS output which it supports.
– Clearly number and label each problem in the document.

ALL DATA TABLES HAVE BEEN SCREENSHOT AND ATTACHED.

## Supply Chain Efficiency Analysis Managing a supply chain involves everything—from processing work orders and ordering and managing materials—to creating Essay

Supply Chain Efficiency Analysis

Managing a supply chain involves everything—from processing work orders and ordering and managing materials—to creating and transporting products and billing customers. Various systems are used to manage these processes. Together, a firm’s processes and systems ensure an efficient supply chain operation.

Complete a production efficiency analysis of a given supply chain scenario. Create an infographic showing the processes and systems involved in managing the supply chain. Evaluate the process flow, and identify a potential problem that could disrupt the supply chain. Finally, recommend a strategy for how the operations team can proactively avoid the problem to ensure that the supply chain continues to flow.

Use this template to complete the assignment: Unit 4 Template.

Address the following:

The introduction should introduce the reader to the role that processes and systems play in a firm’s ability to manage a supply chain successfully.
Assess the given supply chain scenario, and create an infographic slide that includes the process flow to manage the supply chain production.
Evaluate the flow to identify a potential problem that would disrupt the supply chain.
Design a strategy that would ensure that the operations team can proactively avoid the problem.
Consider the following:

Which process–system options offer the best solution to the problem?
How do processes and technology work together to proactively avoid the potential problem of allowing the supply chain to run efficiently?
The conclusion should summarize key points from the supply chain efficiency analysis.
Deliverable Requirements

The infographic showing the flow of this supply chain should be comprised in a .5 page. The analysis of the supply chain should be 4.5 pages in length. Be sure to cite sources using APA properly; include references and in-text citations.

Submitting your assignment in APA format means, at a minimum, you will need the following:

Title page: Remember the running head. The title should be in all capitals.
Length: 5 pages minimum
Abstract: This is a summary of your paper, not an introduction. Begin writing in third person.
Body: This begins on the page following the title page and abstract page and must be double-spaced (be careful not to triple- or quadruple-space between paragraphs). The typeface should be 12-pt. Times Roman or 12-pt. Courier in regular black type. Do not use color, bold type, or italics, except as required for APA-level headings and references. The deliverable length of the body of your paper for this assignment is 5 pages. In-body academic citations to support your decisions and analysis are required. A variety of academic sources is encouraged.
Reference page: References that align with your in-body academic sources are listed on the final page of your paper. The references must be in APA format using appropriate spacing, hanging indent, italics, and uppercase and lowercase usage as appropriate for the type of resource used. Remember, the Reference page is not a bibliography but a further listing of the abbreviated in-body citations used in the paper. Every referenced item must have a corresponding in-body citation.

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