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Test Bank An Introduction to Statistics An Active Learning Approach 3rd Edition Kieth Carlson, Jennifer Winquist. Isbn: ISBN13: 9781544375090.
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Course
Introduction to Statistics
Institution
Introduction To Statistics
Test Bank An Introduction to Statistics An Active Learning Approach 3rd Edition Kieth Carlson, Jennifer Winquist. Isbn: ISBN13: 9781544375090.
An Introduction to Statistics Test Bank / An Active Learning Approach Test Bank THIRD EDITION Kieth A. Carlson Jennifer R. Winquist Test Bank.
An Introduc...
TEST BANK An Introduction to Statistics An Active Learning
Approach 3rd Edition Kieth Carlson
Chapter 1: Introduction to Statistics and Frequency Distributions
Multiple Choice
1. After a statistics class, Dr. Johnson asked all 51 of her students the degree to which
they felt statistics were going to be useful in their eventual career. She had all of her
students respond to the following question, “Statistics will be very useful in my future
profession,” using the following scale: 1 = not at all useful and 7 = very useful. She
found that the average response was a 4.9. Given that the mean 4.9 was based on all
of her students, the 4.9 would be called a ______.
a. statistic
b. parameter
c. sampling error
d. characteristic
Ans: B
Learning Objective: Use common statistical terms correctly in a statistical context.
Cognitive Domain: Application
Answer Location: Populations and Samples
Difficulty Level: Medium
2. After a statistics class, Dr. Johnson asked all 51 of her students the degree to which
they felt statistics were going to be useful in their eventual career. She had all of her
students respond to the following question, “Statistics will be very useful in my future
profession,” using the following scale: 1 = not at all useful and 7 = very useful. She
found that the average response was a 4.9. The purpose of Dr. Johnson’s survey is
best described as ______.
a. sampling error
b. descriptive
c. inferential
d. hypothetical
Ans: B
Learning Objective: Use common statistical terms correctly in a statistical context.
Cognitive Domain: Analysis
Answer Location: Populations and Samples
Difficulty Level: Medium
3. A cognitive psychologist studying reading comprehension wanted to know what
would happen if all college students were taught better reading strategies. She obtained
a sample of 40 college students from the introductory psychology class and taught 20 of
them effective reading strategies. The other 20 students were given a placebo
treatment. She then gave all 40 students a standardized reading comprehension test.
The mean score on the reading test for those taught the reading strategies was 49, with
a standard deviation of 4. The mean score for those receiving the placebo treatment
,was 44, with a standard deviation of 3.8. The purpose of this study is best described as
______.
a. descriptive
b. inferential
c. anecdotal
d. hypothetical
Ans: B
Learning Objective: Use common statistical terms correctly in a statistical context.
Cognitive Domain: Analysis
Answer Location: Populations and Samples
Difficulty Level: Hard
4. A cognitive psychologist studying reading comprehension wanted to know what
would happen if all college students were taught better reading strategies. She obtained
a sample of 40 college students from the introductory psychology class and taught 20 of
them effective reading strategies. The other 20 students were given a placebo
treatment. She then gave all 40 students a standardized reading comprehension test.
The mean score on the reading test for those taught the reading strategies was 49, with
a standard deviation of 4. The mean score for those receiving the placebo treatment
was 44, with a standard deviation of 3.8.The sample of college students was intended to
represent all college students; therefore, the values of 49 and 44 would be called
______.
a. sample statistics
b. population parameters
c. sampling error
d. hypothetical values
Ans: A
Learning Objective: Use common statistical terms correctly in a statistical context.
Cognitive Domain: Analysis
Answer Location: Populations and Samples
Difficulty Level: Hard
5. After their medical appointments with her, Dr. Jackson asked all 42 of her patients if
they were satisfied with their medical appointment. She had all of her patients rate their
overall satisfaction by answering the following question, “How satisfied are you with the
medical appointment you just had?” 1 = not at all satisfied; 7 = completely satisfied. She
found that the average response was a satisfaction score of 5.2. Given that the mean
satisfaction score of 5.2 was based on all of her patients, the 5.2 would be called
______.
a. a statistic
b. a parameter
c. a sampling error
d. hypothetical
Ans: B
Learning Objective: Use common statistical terms correctly in a statistical context.
Cognitive Domain: Comprehension
,Answer Location: Populations and Samples
Difficulty Level: Medium
6. After their medical appointments with her, Dr. Jackson asked all 42 of her patients if
they were satisfied with their medical appointment. She had all of her patients rate their
overall satisfaction by answering the following question, “How satisfied are you with the
medical appointment you just had?” 1 = not at all satisfied; 7 = completely satisfied. She
found that the average response was a satisfaction score of 5.2. The purpose of Dr.
Jackson’s survey is best described as ______.
a. sampling error
b. descriptive
c. inferential
d. conclusive
Ans: B
Learning Objective: Use common statistical terms correctly in a statistical context.
Cognitive Domain: Analysis
Answer Location: Populations and Samples
Difficulty Level: Medium
7. A U.S. Senator from Indiana wanted to know what all her constituents thought about
the Clean Air Act that was coming up for a vote in the Senate. She sent a letter to a
sample of 257 Indiana voters asking them if they supported the Clean Air Act even if it
meant they would have to pay higher prices for gasoline. The results indicated that 39%
of the sample supported the Clean Air Act even if it meant higher gasoline prices. The
purpose of this survey is best described as ______.
a. descriptive
b. inferential
c. sampling error
d. Conclusive
Ans: B
Learning Objective: Use common statistical terms correctly in a statistical context.
Cognitive Domain: Comprehension
Answer Location: Populations and Samples
Difficulty Level: Medium
8. A U.S. Senator from Indiana wanted to know what all her constituents thought about
the Clean Air Act that was coming up for a vote in the Senate. She sent a letter to a
sample of 257 Indiana voters asking them if they supported the Clean Air Act even if it
meant they would have to pay higher prices for gasoline. The results indicated that 39%
of the sample supported the Clean Air Act even if it meant higher gasoline prices. The
sample of Indiana voters was intended to represent all Indiana voters; therefore, the
value of 39% would be called ______.
a. a parameter
b. sampling error
c. a statistic
d. a hypothetical value
, Ans: C
Learning Objective: Use common statistical terms correctly in a statistical context.
Cognitive Domain: Comprehension
Answer Location: Populations and Samples
Difficulty Level: Medium
9. Researchers use samples to estimate population parameters because it is rarely
feasible to obtain data from an entire population. Sample statistics estimate population
parameters. The discrepancy between sample statistics and population parameters is
called ______.
a. statistical power
b. Type I error
c. Type II error
d. sampling error
Ans: D
Learning Objective: Use common statistical terms correctly in a statistical context.
Cognitive Domain: Knowledge
Answer Location: Populations and Samples
Difficulty Level: Easy
10. What potential problem is created when researchers use samples of participants
rather than entire populations in their research studies?
a. statistical power
b. Type I error
c. Type II error
d. sampling error
Ans: D
Learning Objective: Use common statistical terms correctly in a statistical context.
Cognitive Domain: Knowledge
Answer Location: Populations and Samples
Difficulty Level: Easy
11. Sampling error is created when a ______.
a. sample does not represent the population of interest very well
b. sample is too large
c. study does not have a well-defined dependent variable
d. study does not have a well-defined independent variable
Ans: A
Learning Objective: Use common statistical terms correctly in a statistical context.
Cognitive Domain: Knowledge
Answer Location: Populations and Samples
Difficulty Level: Easy
12. A cognitive psychologist studying reading comprehension wanted to know what
would happen if all college students were taught better reading strategies. She obtained
a sample of 40 college students from the introductory psychology class and taught 20 of
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