Exam (elaborations)
Elementary Statistics (STATs 2023) Midterm Questions and Answers
- Course
- Elementary Statistics
- Institution
- St. Petersburg College
Elementary Statistics (STATs 2023)
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Content preview
1. Use the box-and-whisker plot to identify the five-number summary.Min = 855
Q1 = 1271
Q2 = 1499
Q3 = 1911
Max = 2108
2. Determine whether the variable is qualitative or quantitative. Explain your reasoning.
Favorite musical band
Is the variable qualitative or quantitative? Explain your reasoning.
A. The variable is qualitative because a favorite musical band is found by measuring
or counting.
B. The variable is qualitative because a favorite musical band describes an attribute
or characteristic.
C. The variable is quantitative because a favorite musical band describes an attribute
or characteristic.
D. The variable is quantitative because a favorite musical band is found by measuring
or counting
3. Classify the statement as an example of classical probability, empirical probability, or subjective
probability. Explain your reasoning.
A study on a college campus shows that 77% of the students like rap music.
Choose the correct answer below.
A. Classical probability because each outcome in the sample space is equally likely.
B. Subjective probability because the probability results from an estimate.
C. Classical probability because the probability is based on observations obtained from a
probability experiment.
D. Subjective probability because each outcome in the sample space is equally likely.
E. Empirical probability because the probability is based on observations obtained from a
probability experiment.
F. Empirical probability because the probability results from an estimate.
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