[Q1] Multiple Choice - 1 point
1) Extreme scores that are either very high or very low in comparison with the rest of
the scores in the sample are referred to as:
A. extremists.
B. outliers.
C. random variables.
D. confounding variables.
Answer: B
[Q2] Multiple Choice - 1 point
2) In ________ analysis, studies examine observations that do not fit the overall pattern
of the data in an effort to understand the factors that influence the dependent variable.
A. outlier
B. correlational
C. experimental
D. confound
Answer: A
,[Q3] Multiple Choice - 1 point
3) In a study designed to measure the effects of exercise on weight loss, participants
are randomly assigned to either an exercise or a no-exercise group. Most of the participants
in the exercise group lost weight but one participant gained weight. This person's data
could be considered a(n):
A. outlier.
B. confound.
C. discrete observation.
D. continuous observation.
Answer: A
[Q4] Multiple Choice - 1 point
4) In a study designed to measure the effects of exercise on weight loss, participants
are randomly assigned to either an exercise or a no-exercise group. Most of the participants
in the exercise group lost weight but one participant gained weight. A researcher may be
interested in analyzing this extreme data because it may:
A. provide insight into factors that influence the dependent variable.
B. provide insight into factors that influence the independent variable.
,C. point to potential confounding variables.
D. illustrate problems with random assignment.
Answer: A
[Q5] Multiple Choice - 1 point
5) In studying the results of his most recent exam, professor Simmons noticed that
although almost all students got between 75% and 95% on the exam, one student only
answered 40% of the questions correctly. Scientists refer to this type of extreme data as
a(n):
A. extremist.
B. anomaly.
C. outlier.
D. confound.
Answer: C
, [Heading]Heading
[Q6] Multiple Choice - 1 point
6) What branch of statistics uses numerical observations and incorporates them into
an organized and informative summary of the data?
A. inferential
B. descriptive
C. population
D. sample
Answer: B
[Q7] Multiple Choice - 1 point
7) Statistical methods that organize and summarize groups of numerical data are
classified as:
A. population statistics.
1) Extreme scores that are either very high or very low in comparison with the rest of
the scores in the sample are referred to as:
A. extremists.
B. outliers.
C. random variables.
D. confounding variables.
Answer: B
[Q2] Multiple Choice - 1 point
2) In ________ analysis, studies examine observations that do not fit the overall pattern
of the data in an effort to understand the factors that influence the dependent variable.
A. outlier
B. correlational
C. experimental
D. confound
Answer: A
,[Q3] Multiple Choice - 1 point
3) In a study designed to measure the effects of exercise on weight loss, participants
are randomly assigned to either an exercise or a no-exercise group. Most of the participants
in the exercise group lost weight but one participant gained weight. This person's data
could be considered a(n):
A. outlier.
B. confound.
C. discrete observation.
D. continuous observation.
Answer: A
[Q4] Multiple Choice - 1 point
4) In a study designed to measure the effects of exercise on weight loss, participants
are randomly assigned to either an exercise or a no-exercise group. Most of the participants
in the exercise group lost weight but one participant gained weight. A researcher may be
interested in analyzing this extreme data because it may:
A. provide insight into factors that influence the dependent variable.
B. provide insight into factors that influence the independent variable.
,C. point to potential confounding variables.
D. illustrate problems with random assignment.
Answer: A
[Q5] Multiple Choice - 1 point
5) In studying the results of his most recent exam, professor Simmons noticed that
although almost all students got between 75% and 95% on the exam, one student only
answered 40% of the questions correctly. Scientists refer to this type of extreme data as
a(n):
A. extremist.
B. anomaly.
C. outlier.
D. confound.
Answer: C
, [Heading]Heading
[Q6] Multiple Choice - 1 point
6) What branch of statistics uses numerical observations and incorporates them into
an organized and informative summary of the data?
A. inferential
B. descriptive
C. population
D. sample
Answer: B
[Q7] Multiple Choice - 1 point
7) Statistical methods that organize and summarize groups of numerical data are
classified as:
A. population statistics.
