Test Bank For Behavioral Sciences STAT 2nd Edition by Gary Heiman
8 views 0 purchase
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
complete test bank with answers
Written for
Sciences STAT - Test Bank
Sciences STAT - Test Bank
Sciences STAT - Test Bank
All documents for this subject (1)
Seller
Follow
ExamsExpert
Reviews received
Content preview
,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
Powered by Cognero Page 1
,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
Powered by Cognero Page 2
, 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
Powered by Cognero Page 3
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ExamsExpert. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $33.30. You're not tied to anything after your purchase.
