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Section 24 Other Types of Graphs
77
Leading Causes of Deaths for Men 2544 Years
y
70 60 50
Rate
HIV infection
Accidents
40 30 20 10 Strokes 0 1984 1986 1988 Year 1990 1992 1994 Heart disease Cancer
x
1. 2. 3. 4. 5. 6. 7. 8.
What are the va
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Chapter Quiz
97
Chapter Quiz
Determine whether each statement is true or false. If the statement is false, explain why. 1. In the construction of a frequency distribution, it is a good idea to have overlapping class limits, such as 1020, 2
The second test will cover: Put data in a frequency table. Construct a histogram, frequency polygon, and ogive from the grouped data. Given data, construct Pareto charts, pie graphs, and leaf and stem plots. Given data, find the mean, median, mode, varian
Guidelines for Constructing a Grouped Frequency Distribution
1. Each class should be the same width. 2. Classes should be set up so that they do not overlap and so that each piece of data belongs to exactly one class. (Guidelines 3, 4, and 5 are helpful,
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44
Chapter 2 Frequency Distributions and Graphs
distribution for the data. A trust in everything they read, M trust in most of what they read, H trust in about one-half of what they read, S trust in a small portion of what they read. (Base
General Education Descriptions
COMMUNICATIONS A course of study that develops students' abilities to use the English language effectively and accurately to convey information. CONSTITUTION A course of study of systems of written fundamental laws and princ
Notes Section 6.2
2. Let x and y denote the number of model A and model B fax machines produced each shift. Then the restriction on manufacturing costs implies
100 150 y 600,000
and the limitation of the number produced implies
x y 2500.
The total profit
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150
Chapter 3 Data Description
actually in the sixth grade and had special permission to attend the class. This student might have scored extremely low on that particular exam on that day. Fourth, the data value might be a legitimate value
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Section 33 Measures of Variation
135
Exercises 33
1. What is the relationship between the variance and the standard deviation? 2. Why might the range not be the best estimate of variability? 3. What are the symbols used to represent the po
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116
Chapter 3 Data Description
5. Which measure of central tendency can be misleading when a data set contains outliers? 6. When one is comparing the measures of central tendency, does the distribution display any skewness? Explain. See pa