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.
Question 2
A golf course in California has determined that the mean time it takes for a foursome to complete an 18 hole round of golf is 4 hours 35 minutes (275 minutes) with a standard deviation of 14 minutes.
The time distribution is also thought to be approximately normal. Every month, the head pro at the course randomly selects a sample of 8 foursomes and monitors the time it takes them to play. Suppose the mean time that was observed for the sample last month was 4 hours 44 minutes (284 minutes). What is the probability of seeing a sample mean this high or higher?A) Approximately 0.4649
B) About 0.9649
C) Approximately 0.0351
D) About 0.9298
Three days after the Boston Marathon explosion, the FBI released this photograph that had been taken
A physical therapist exercising the patient’s leg in a physical therapy department.
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