Database corresponding to annual sales

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Reference no: EM133200287

Statistics Analysis

In preparation for writing your report to senior management next week, conduct the following descriptive statistics analyses with Microsoft® Excel®. Answer the questions below in your Microsoft® Excel® sheet or a separate Microsoft® Word document:

Pastas R Us, Inc. Database

  • Insert a new column in the database corresponding to "Annual Sales." Annual Sales result from multiplying a restaurant's "SqFt." by "Sales/SqFt."
  • Calculate each variable's mean, standard deviation, skew, 5-number summary, and interquartile range (IQR).
  • Create box plot for the "Annual Sales" variable. Does it look symmetric? Would you prefer the IQR to describe this variable's dispersion instead of the standard deviation? Why?
  • Create  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?

Reference no: EM133200287

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