1. Which of the following correctly describes the relation- A statistic is
calculated
ship between a parameter and a statistic?
2. Identify the
population.
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, Statistics Modules 1–3 Practice Test.
A study was done to determine the average from sample data and is
commute time per week to and from class for generally used to
an SPC student attending a lecture class. For estimate a parameter.
convenience, a sample of 60 students was
taken by randomly selecting a lecture class onAll SPC students who at-
the Gibbs campus (30 students), and also a tend lecture classes.
lecture class on the Clearwater campus (30
students). The students selected for the
sample were then asked where they were
commuting from, when, and how often. The
information was then entered into a GPS
system in order to obtain estimated commuting
times.
3. Which branch of statistics deals with the
organization and summarization of collected
descriptive
information?
4. From past figures, it is predicted that 19% of the regis- inferential
tered voters in California will vote in the June primary.
5. The cost of a Statistics textbook. quantitative
6. Classify the variable as qualitative or qualitative
quantitative. Eye Color
7. Decide which method of data collection you would use experiment
to collect data for the study. Specify either
observa- tional study, experiment, simulation,
or survey.A study where a drug was given to 23
patients and a placebo to
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, Statistics Modules 1–3 Practice Test.
another group of 23 patients to determine if
the drug has an effect on a patient's illness.
8. Decide which method of data collection you would use
observational study
to collect data for the study. Specify either
observa- tional study, experiment, or
simulation.A study where a political pollster
wishes to determine if his candidate is leading
in the polls for an upcoming election.
9. 50 sophomores, 30 juniors and 20 seniors are random- stratified
ly selected from 500 sophomores, 300 juniors
and 200 seniors at a certain high school.
10. Every fifth person boarding a plane is systematic
searched thor- oughly.
11. At a local community college, five statistics classes are cluster
randomly selected out of 20 and all of the
students from each class are interviewed.
12. A community college student interviews rate be-
everyone in their statistics class to determine tween 130
the percentage of students that own a car. and 150
bpm?
13. A fitness instructor measured the heart rates
of the participants in a yoga class at the
conclusion of the class. The data is
summarized in the histogram below. There were
fifteen people who participated in the class
between the ages of 25 and 45.
What percent of the participants had a heart
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