
ExtraCredit Statistics Worksheet. (upto 15 points)
Authored by Felicia Wider Lewis
Other
12th Grade

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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Statistical techniques that summarize and organize the data are classified into what two branches of statistics:
A. Population statistics
B. Sample statistics
C. Descriptive statistics
D. Inferential statistics
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
IQ tests are standardized so that the mean score is 100 for the entire group of people who take the test. However, if you select a group of 50 who took the test, you probably would not get 100. What statistical concept explains the difference between the two means?
A. Statistical error
B. Inferential error
C. Residual error
D. Sampling error
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A researchers studies the factors that determine the number of children future couples decide to have. The variable 'number of children' is a:
A. Discrete variable
B. Continuous variable
C. Categorical variable
D. Ordinal variable
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