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Quantitative Methods. Chapter 1 2. What is the level of measurement for
these items related to the newspaper business? (page 14) a ...
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Submitted by mdh41876 on May 14, 2008
Category: Business
Words: 273 | Pages: 2
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Chapter 1
2. What is the level of measurement for these items related to the newspaper business? (page 14)
a. The number of papers sold each Sunday during 2004.
b. The departments, such as editorial, advertising, sports, etc.
c. A summary of the number of papers sold by county.
d. The number of years with the paper for each employee.
Answers:
a. Ratio
b. Ordinal
c. Ratio
d. Ordinal
6. Explain the difference between a sample and a population. (page 19)
Answers:
The difference between sample and population is a sample is a subset of population. The set of individuals, items, or data from which a statistical sample is taken is population.
Chapter 2
14. The following chart shows the selling price ($000) of houses sold in the Billings, Montana, area. (page 40)
a. How many homes were studied?
b. What is the class interval?
c. One hundred homes sold for less than what amount?
d. About 75 percent of the homes sold for less than what amount?
e. Estimate the number of homes in the $150,000 up to $200,000 class.
f. About how many homes sold for less than $225,000?
26. The following data give the weekly amounts spent on groceries for a sample of households. (page 47)
a. How many classes would you recommend?
b. What class interval would you suggest?
c. What would you recommend as the lower limit of the first class?
d. Organize the data into a frequency distribution.
18. The following are the ages of the 10 people in the video arcade at the Southwyck Shopping Mall at 10 A.M. this morning. For Exercises 16–19, (a) determine the median and (b) the mode. (page 65)
Mean = sum of observations...
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