STAT 200-Midterm Exam Instructor: Dr. S Therianos Name: Johnatho Hayes
Multiple-Choice: Choose exactly ONE answer for each question. There are 40 problems for 2.5 points each for a total of 100 points.
01. An Internet study asked respondents to indicate their education level on the following scal...
stat 200 midterm exam 1 instructor dr s therianos name johnatho hayes multiple choice choose exactly one answer for each question there are 40 problems for 25 points each for a total of 100 poin
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STAT 200-Midterm Exam 1
Instructor: Dr. S
Therianos Name:
Johnatho Hayes
Multiple-Choice: Choose exactly ONE answer for each question.
There are 40 problems for 2.5 points each for a total of 100 points.
01. An Internet study asked respondents to indicate their education level
on the following scale: Less than High School, High School, Some College,
College +. Which of the following statements is (are) true?
A. Education level is a qualitative variable.
B. Education level is nominal scaled.
C. Education level is ordinal scaled.
D. Both A and
B E. Both A and
C
Consider the following to answer the next two questions:
The administration of a large university is interested in learning about the
types of wellness programs that would interest its employees. To do this,
they plan to survey a sample of their employees.
02. Suppose that there are five categories of employees (administration,
faculty, professional staff, clerical and maintenance) and the university
decides to randomly select ten individuals from each category. This
sampling plan is called
A. Simple Random Sampling.
B. Stratified Sampling.
C. Cluster Sampling.
D. Systematic Sampling.
E. Convenience Sampling.
03. Suppose that the university randomly selects a school (e.g., the
Business School) and surveys all of the individuals (administration,
faculty, professional staff, clerical and maintenance) who work in that
school. This sampling plan is called
A. Simple Random Sampling.
B. Stratified Sampling.
, Page 2 of 11
C. Cluster Sampling.
D. Systematic Sampling.
E. Convenience Sampling.
Consider the following to answer the next two questions:
The box-plots below show monthly sales revenue figures ($ thousands) for a
discount office supply company with locations in three different regions of
the U.S. (Northeast, Southeast and West).
Boxplot of Northeast, Southeast, West
200
175
150
Data
125
100
75
50
Northeast Southeast West
04. Which of the following statements is true?
A. The southeast has the lowest sales revenues.
B. The southeast has the lowest median sales revenue.
C. The west has the lowest mean sales revenue.
D. The west has the lowest median sales revenue.
E. None of the above.
05. Which of the following statements is false?
A. The west has the most variable sales revenues.
B. The west has the largest IQR.
C. The southeast has the smallest IQR.
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