BQ 271

Business Statistics

Chapter 6 Case 6.1

Cases are assigned from the end of chapters that represent real world applications of the statistical concepts

discussed in the chapter. You will use Microsoft Excel to perform the statistical procedures. You will also use

Microsoft Word to prepare a managerial report that summarizes the key requirements of the case, explains the

statistical methods used, discusses the results, and recommends a course of action based on your analysis. The

managerial report will be submitted to Safe Assign for originality.

Deliverables

 Managerial report o Use format available in Sample Managerial Report;

 Section 1 summarizes the case described in the chapter. Include in this section any descriptive statistics and state the purpose and objective of the case. DO NOT copy the

case.

 Section 2 should describe the statistical methods used to analyze the case. Include interval estimates, hypothesis tests, tables and charts as necessary. DO NOT include the

data set in the report. Figures and tables should be labeled (Table 1. Descriptive statistics,

Figure 1. Chi-square distribution, etc.) and properly formatted for clarity.

 Section 3 should provide the conclusions of your analysis and recommendations for future action. Include your answers to any questions posed in this section.

 Excel Spreadsheet o Use separate sheet for each chart, pivot table, and table created with the Analysis Tool-Pak. o Name each tab with the name of the table or chart. o Format numbers to 3 decimal places.

Grading

A rubric in Blackboard is used to grade each case study:

 Spreadsheet – Demonstrate ability to use Microsoft Excel to perform statistical analysis. o Use of analysis tools, pivot tables, charts, graphs, formulas and functions.

 Managerial Report – Demonstrate understanding of statistical methods. o Provide a clear and focused summary of the case along with stated purpose and objectives; o Critically analyze data and explain statistical procedures used along with resultant outcomes; o Make logical recommendations to management supported by statistical analysis; o Use proper punctuation, spelling and grammar. Tables and charts should be properly identified,

formatted, and referenced in the document.

Data File: NO DATA FILE NEEDED (More information found p. 241 in 3rd edition of the

textbook.)

1. Compute the proportion (probability) of 10-year-old boys in this town that are in the various weight

status categories given the BMI ranges (in textbook). 2. Discuss whether the concern of health officials is justified.