The Payment Time Case

Grading Guide

QNT/561 Version 9 2

 

 

 

 

 

 

 

 

 

The Payment Time Case Grading Guide

 

QNT/561 Version 9

Applied Business Research and Statistics

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Copyright

Copyright © 2017, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008 by University of Phoenix. All rights reserved.

University of Phoenix® is a registered trademark of Apollo Group, Inc. in the United States and/or other countries.

Microsoft®, Windows®, and Windows NT® are registered trademarks of Microsoft Corporation in the United States and/or other countries. All other company and product names are trademarks or registered trademarks of their respective companies. Use of these marks is not intended to imply endorsement, sponsorship, or affiliation.

Edited in accordance with University of Phoenix® editorial standards and practices.

Individual Assignment: Expansion Strategy and Establishing a Re-order Point

 

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.

Resources Required

 

Microsoft Excel®

Payment Time Case Study

Payment Time Case Data Set

 

Grading Guide

 

Content

Met

Partially Met

Not Met

Comments:

Review the Payment Time Case Study and Data Set.

 

 

 

 

Develop a 700-word report including the following calculations and using the information to determine whether the new billing system has reduced the mean bill payment time:

 

• Assuming the standard deviation of the payment times for all payments is 4.2 days, construct a 95% confidence interval estimate to determine whether the new billing system was effective. State the interpretation of 95% confidence interval AND state whether or not the billing system was effective.

 

• Using the 95% confidence interval, can we be 95% confident that µ ≤ 19.5 days?

 

• Using the 99% confidence interval, can we be 99% confident that µ ≤ 19.5 days?

 

• If the population mean payment time is 19.5 days, what is the probability of observing a sample mean payment time of 65 invoices less than or equal to 18.1077 days?

 

 

 

 

 

 

 

Total Available

Total Earned

 

 

 

3

#/3

 

 

 

 

 

Writing Guidelines

Met

Partially Met

Not Met

Comments:

The paper—including tables and graphs, headings, title page, and reference page—is consistent with APA formatting guidelines and meets course-level requirements.

 

 

 

 

Intellectual property is recognized with in-text citations and a reference page.

 

 

 

 

Paragraph and sentence transitions are present, logical, and maintain the flow throughout the paper.

 

 

 

 

Sentences are complete, clear, and concise.

 

 

 

 

Rules of grammar and usage are followed including spelling and punctuation.

 

 

 

 

 

 

Total Available

Total Earned

 

 

 

2

#/2

 

 

 

 

 

Assignment Total

#

5

#/5

 

Additional comments:

 

 

Latest completed orders:

Completed Orders
# Title Academic Level Subject Area # of Pages Paper Urgency