Resource: Pastas R Us, Inc. Database
Review the Wk 2 – Apply: Statistical Report assignment.
Students will use text boxes within Excel to answer the questions. Please go to Course Resources for Microsoft Excel Help Aids and to learn how to create text boxes.
Note: If future assignments require a written document (with a specific word count), students are to use Word following APA guidelines to write the paper. However, if future assignments require students to answer questions, students will use textboxes.
Word count = Written document in Word
Answer questions below no word count = Text boxes within Excel
In preparation for writing your report to senior management next week, conduct the following descriptive statistics analyses with Excel®. Answer the questions below in your Excel sheet (using text boxes):
Insert a new column in the database that corresponds to “Annual Sales.” Annual Sales is the result of multiplying a restaurant’s “SqFt.” by “Sales/SqFt.”
Calculate the mean, standard deviation, skew, 5-number summary, and interquartile range (IQR) for each of the variables.
Create a box-plot for the “Annual Sales” variable. Does it look symmetric? Would you prefer the IQR instead of the standard deviation to describe this variable’s dispersion? Why?
Create a histogram for the “Sales/SqFt” variable. Is the distribution symmetric? If not, what is the skew? Are there any outliers? If so, which one(s)? What is the “SqFt” area of the outlier(s)? Is the outlier(s) smaller or larger than the average restaurant in the database? What can you conclude from this observation?
What measure of central tendency is more appropriate to describe “Sales/SqFt”? Why?
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