Stats 210 VCU Exam 1 Practice Questions and Answers
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Course
VCU 2025
Institution
VCU 2025
Stats 210 VCU Exam 1 Practice Questions
and Answers
Population - ANSWER-the entire group of individuals or subjects about which the research wants
information
During July and August of 2014 Bob and Maureen McDonnell have been on trial defending themselves of
federal corruption charges. Of inte...
A study of the witness list reveals that 6 of the 61 prosecution witnesses are immediate family of former
Governor Bob McDonnell. In this scenario, is 6 an example of a parameter or a statistic? - ANSWER✔✔-
Parameter- 6 out of the population of 61 prosecution witnesses are immediate family of former
Governor Bob McDonnell.
What is "hypothesis"? - ANSWER✔✔-a statement about a population parameter
What is "constant"? - ANSWER✔✔-a characteristic whose measurements are the same for every
observation in the population or sample- the measurements do not change in repeated trials over time
What is "variable"? - ANSWER✔✔-a characteristic whose measurements vary (or change) from trial to
trial or individual to individual.
What is "qualitative or categorical variable"? - ANSWER✔✔-a variable in which the measurements vary
from subject to subject, and they vary in kind or name only, but not in degree.
What is "quantitative variable"? - ANSWER✔✔-a variable whose measurements vary in magnitude from
subject to subject, meaning some order or ranking can be applied. one value or level can be considered
greater or better than another.
What is "discrete quantitative variable"? - ANSWER✔✔-a variable whose measurements can assume
only a COUNTABLE number of possible values
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