Mean, Median, Mode
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Chapter 3, Exercise 60:
Owens Orchards sells apples in a large bag by weight. A sample of seven bags contained
the following numbers of apples: 23, 19, 26, 17, 21, 24, 22.
a. Compute the mean number and median number of apples in a bag.
b. Verify that _(X _ ) _ 0.
Chapter 3, Exercise 62:
The Citizens Banking Company is studying the number of times the ATM located in a
Loblaws Supermarket at the foot of Market Street is used per day. Following are the numbers
of times the machine was used over each of the last 30 days. Determine the mean
number of times the machine was used per day.
83 64 84 76 84 54 75 59 70 61
63 80 84 73 68 52 65 90 52 77
95 36 78 61 59 84 95 47 87 60
Chapter 3, Exercise 68:
The American Automobile Association checks the prices of gasoline before many holiday
weekends. Listed below are the self-service prices for a sample of 15 retail outlets during
the May 2003 Memorial Day weekend in the Detroit, Michigan, area.
1.44 1.42 1.35 1.39 1.49 1.49 1.41 1.46
1.41 1.49 1.45 1.48 1.39 1.46 1.44
a. What is the arithmetic mean selling price?
b. What is the median selling price?
c. What is the modal selling price?
Chapter 3, Exercise 72:
The weights (in pounds) of a sample of five boxes being sent by UPS are: 12, 6, 7, 3, and 10.
a. Compute the range.
b. Compute the mean deviation.
c. Compute the standard deviation.
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Solution Summary
The solution contains the determination of mean, median, mode and standard deviation of data from various problems.
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