BASIC STATISTICS SELF TEST
1.
A researcher is interested in the travel time of Utrecht University students to college. A
group of 50 students is interviewed. Their mean travel time in 16.7 minutes. For this study
the mean of 16.7 minutes is an example of a(n)
A.
Parameter
B.
Statistic
C.
Population
D.
Sample
2.
A researcher is curious about the IQ of students at the Utrecht University. The entire group
students is an example of a:
A.
Parameter
B.
Statistic
C.
Population
D.
Sample
3.
Statistical techniques that summarize and organize the data are classified as:
A.
Population statistics
B.
Sample statistics
C.
Descriptive statistics
D.
Inferential statistics
4.
A sports psychologist was interested in the effects of a six-week imagery intervention on an
athlete’s ability to execute a sport-specific skills such penalty taking in football. How might
you define the imagery variable?
A.
Independent variable
B.
Dependent variable
C.
Outcome variable
D.
Resultant variable
5.
Five-point Likert scales (
strongly disagree, disagree, neutral, agree, strongly agree
) are
frequently used to measure motivations and attitudes. A Likert scale is a:
A.
Discrete variable.
B.
Ordinal variable.
C.
Categorical variable.
D.
All of the above options (A, B and C)
6.
In a 500m speed skating race, time results would be considered an example of which level of
measurement?
A.
Nominal
B.
Ordinal
C.
Interval
D.
Ratio