STAT301 EXAM 2026-2027 QUESTIONS WITH CORRECT ANSWERS
Part 1 of 3 - 12.0/ 12.0 Points
Question 1 of 20
1.0/ 1.0 Points
Which of the following statements are false regarding a boxplot?
•
A. Boxplots can be used to either describe a single variable in a data set or to compare
two (or more) variables
•
B. The height of the box has no significance.
•
C. The right and left of the box are the third and first quartiles
•
D. The length of the box equals the range of the data.
Answer Key:D
Question 2 of 20
1.0/ 1.0 Points
What type of sampling is being employed if the population is divided into economic classes and
a sample is chosen from each economic class to be surveyed?
•
A. stratified sampling
•
B. cluster sampling
•
C. random sampling
•
, STAT301 EXAM 2026-2027 QUESTIONS WITH CORRECT ANSWERS
D. systematic sampling
Answer Key:A
Question 3 of 20
1.0/ 1.0 Points
A scatter plot would be useful for
•
A. Showing the relationship between the sales of blank CDs and blank DVDs
•
B. Showing the trend of sales, over time, of five different brands of blank DVDs
•
C. Showing the top selling brands of blank DVDs
•
D. Showing the relative number of sales of four different brands of blank DVDs
Answer Key:A
Question 4 of 20
1.0/ 1.0 Points
Which of the following indicates how many observations fall into various categories?
•
A. The Likert scale
•
B. The frequency table
•
Part 1 of 3 - 12.0/ 12.0 Points
Question 1 of 20
1.0/ 1.0 Points
Which of the following statements are false regarding a boxplot?
•
A. Boxplots can be used to either describe a single variable in a data set or to compare
two (or more) variables
•
B. The height of the box has no significance.
•
C. The right and left of the box are the third and first quartiles
•
D. The length of the box equals the range of the data.
Answer Key:D
Question 2 of 20
1.0/ 1.0 Points
What type of sampling is being employed if the population is divided into economic classes and
a sample is chosen from each economic class to be surveyed?
•
A. stratified sampling
•
B. cluster sampling
•
C. random sampling
•
, STAT301 EXAM 2026-2027 QUESTIONS WITH CORRECT ANSWERS
D. systematic sampling
Answer Key:A
Question 3 of 20
1.0/ 1.0 Points
A scatter plot would be useful for
•
A. Showing the relationship between the sales of blank CDs and blank DVDs
•
B. Showing the trend of sales, over time, of five different brands of blank DVDs
•
C. Showing the top selling brands of blank DVDs
•
D. Showing the relative number of sales of four different brands of blank DVDs
Answer Key:A
Question 4 of 20
1.0/ 1.0 Points
Which of the following indicates how many observations fall into various categories?
•
A. The Likert scale
•
B. The frequency table
•
