Statistics STA 2023 Midterm Review (Tests 1, 2, 3)
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1. Which of the following correctly describes the
rela- tionship between a parameter and a statistic?
2. A study was done to determine the average
commute time per week to and from class for an
SPC student attending a lecture class. For
convenience, a sample of 60 students was taken by
randomly selecting a lecture class on the Gibbs
campus (30 students), and also a 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. Identify
the population.
3. Which branch of statistics deals with the
organization and summarization of collected
information?
4. From past figures, it is predicted that 19% of the
regis- tered voters in California will vote in the June
primary. Identify whether the statement describes
inferential statistics or descriptive statistics.
5. The cost of a Statistics textbook. Classify the
variable as qualitative or quantitative.
6. Eye Color. Classify the variable as qualitative or
quan- titative.
7. A study where a drug was given to 23 patients and a
placebo to another group of 23 patients to determine
if the drug has an effect on a patient's illness. Decide
which method of data collection you would use to
collect data for the study. Specify either
observational study, experiment, simulation, or
survey.
