The Carter Department Store Has Data on the Sales Volume

question 43

Multiple Choice

The Carter Department Store has data on the sales volume by department for the past 200 days.The data are in an Excel spreadsheet where column A represents the department name and column B represents the sales for each day in that department.In order to construct a bar chart that illustrates the difference in total sales by department for the 200 days,a required step in Excel will be to:

• A)determine the total sales by department.
• B)use the frequency function to count the number of occurrences by department.
• C)group the data into 5 to 20 classes.
• D)determine the class widths.

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Definitions:

Posterior Probabilities

The revised probabilities of events or hypotheses after taking into account new evidence or information.

Addition Rule

A probability principle stating that the probability of the union of two events equals the sum of their probabilities minus the probability of their intersection.

Joint Probabilities

The probability of two or more events happening at the same time, often represented as the intersection of events in probability theory.

Conditional Probabilities

The possibility of an event occurring on the basis that another particular event has taken place already.