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Card 10 / 180: In a random sample of cell phone users, a leading marketing company compiled a count of total minutes per month, per user, over a three month period. With the data organized in a spreadsheet, which of the following is the best way to identify the mode number of minutes among the sample of users?
A)
Sort the data in a single column from highest to lowest, and identify the value that appears most often.
B)
Sort the data in a single column from highest to lowest, and find the average value by using the spreadsheet's averaging function.
C)
Sort the data in two columns, subtract the difference between each row and column, and then add the total by using the spreadsheet's summary function.
D)
Sort the data in three columns, and add the three month totals for each user by using the spreadsheet's summary function.
Answer:
A) Sort the data in a single column from highest to lowest, and identify the value that appears most often.
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Bhartdarshan'is an internet-based travel agency wherein customer can see videos of the cities they plan to visit. The number of hits daily is a normally distributed random variable with a mean of 10,000 and a standard deviation of 2,400.
a. What is the probability of getting more than 12,000 hits
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Business Statistics
Author:
David BourgeoisLecturer
The Saylor Academy
USA
Access:
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Attribution:
David T. Bourgeois, PhD; Bharatendra K. Rai, PhD. Business Statistics. The Saylor Academy 2014, http://www.saylor.org/courses/bus204/
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