Test Bank For Behavioral Sciences STAT 2nd Edition by Gary Heiman
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Course
Sciences STAT - Test Bank
Institution
Sciences STAT - Test Bank
Chapter 03: Summarizing Scores with Measures of Central Tendency
Multiple Choice
1. Adding numbers is an important procedure in statistics. Instead of saying “add up all of the scores,” we use the symbol
a. N. b. X. c. Σ. d. Y.
ANSWER: c
DIFFICULTY: Easy
REFERENCES: p. 37
Some New Symbo...
test bank for behavioral sciences stat 2nd edition
test bank for behavioral sciences stat
test bank for behavioral sciences
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Sciences STAT - Test Bank
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,Chapter 01: Introduction to Statistics and Research
Multiple Choice
1. Which of the following is not a purpose of statistical procedures?
a. Organizing data
b. Summarizing data
c. Hypothesizing data
d. Communicating data
ANSWER: c
DIFFICULTY: Easy
REFERENCES: p. 3
Learning about Statistics
KEYWORDS: statistical procedures
2. In statistics a population is
a. the entire group to which a law of nature applies.
b. a subset of a group to which a law of nature applies.
c. all the people in the world.
d. an infinite number that cannot be counted.
ANSWER: a
DIFFICULTY: Easy
REFERENCES: p. 5
The Logic of Research
KEYWORDS: population
3. In statistics, a sample is
a. the entire group to which a law is applied.
b. a subset of a group to which a law is applied.
c. all of the subjects in which we are interested.
d. at least half of the subjects in the population.
ANSWER: b
DIFFICULTY: Easy
REFERENCES: p. 5
The Logic of Research
KEYWORDS: sample
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,Chapter 01: Introduction to Statistics and Research
4. The individuals measured in a sample are called the
a. scores.
b. population.
c. observations.
d. participants.
ANSWER: d
DIFFICULTY: Easy
REFERENCES: p. 5
The Logic of Research
KEYWORDS: participants
5. A representative sample is one
a. created by selecting only those participants determined to be representative of the larger population.
b. having characteristics accurately reflecting the characteristics of the population.
c. based on the luck of the draw.
d. known to be a biased sample.
ANSWER: b
DIFFICULTY: Easy
REFERENCES: p. 6
The Logic of Research
KEYWORDS: representative sample
6. A statistics class has 60% females and 40% males. A researcher selects a sample having 80% males and 20%
females. Why should the researcher be cautious of making inferences about the entire class based on the sample?
a. Because the sample appears to be representative of the population.
b. Because the sample appears to be unrepresentative of the population.
c. Because the opinions of the females in the sample will not be the same as those of the females in the
population.
d. Because the sample was too small.
ANSWER: b
DIFFICULTY: Moderate
REFERENCES: p. 6
The Logic of Research
KEYWORDS: representative sample
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, Chapter 01: Introduction to Statistics and Research
7. In research, the aspects of the situation or behavior we measure are called
a. scores.
b. variables.
c. relationships.
d. samples and populations.
ANSWER: b
DIFFICULTY: Moderate
REFERENCES: p. 6
The Logic of Research
KEYWORDS: variables
8. Which of the following is a variable?
a. The number of students in your statistics class today
b. The date and month of the 4th of July
c. The height of the players on a basketball team
d. Your latest test score
ANSWER: c
DIFFICULTY: Easy
REFERENCES: p. 6
The Logic of Research
KEYWORDS: variables
9. When a change in the scores of one variable is accompanied by a consistent change in the scores of another
variable, we have what is known as a
a. cause-and-effect explanation.
b. relationship.
c. variable.
d. set of scores.
ANSWER: b
DIFFICULTY: Easy
REFERENCES: p. 7
Understanding Relationships
KEYWORDS: relationship
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