Quiz: Introduction to Statistics, Frequency Tables,
and Graphs
Due Jul 6 at 11:59pm
Points 60
Questions 20
Time Limit 60 Minutes
Instructions
The quiz:
Covers the Textbook material from Module 1: Week 1.
Contains 20 multiple-choice and true/false questions.
Is limited to 60 minutes.
Allows 1 attempt.
Is worth 60 points.
Submit this assignment by 11:59 p.m. (ET) on Monday of Module 1: Week 1.
Attempt History
Attempt Time Score
LATEST Attempt 1 52 minutes 60 out of 60
Correct answers are hidden.
Score for this quiz: 60 out of 60
Submitted Jul 6 at 12:32pm
This attempt took 52 minutes.
Question 1
pts
A discrete variable must be measured on a nominal or an ordinal scale.
True
False
Question 2
pts
A doctor is measuring children’s heights to the nearest inch and obtains scores such as 40, 4
42, and so on. What are the real limits for a score of X
= 42?
, 41 and 43
41.5 and 42.5
41.75 and 42.25
41.25 and 42.75
Question 3
pts
A professor records the number of students who are absent each day for the semester. Given
the scale of measurement used when measuring this variable, a bar graph should be used to
show the frequency distribution.
True
False
Question 4
pts
A bar graph is constructed so that adjacent bars touch.
True
False
Question 5
pts
A researcher is curious about the average monthly car insurance bill for high school students
the state of Florida. If this average could be obtained, it would be an example of a _____.
parameter.
statistic.
population.
sample.
Question 6
pts
If a set of exam scores forms a negatively skewed distribution, what can you likely conclude
about the students’ scores?
Most of the students had relatively high scores.
Most of the students had relatively low scores.
About an equal number of students had relatively high and relatively low scores.
It is not possible to draw any conclusions about students’ scores with this information.
and Graphs
Due Jul 6 at 11:59pm
Points 60
Questions 20
Time Limit 60 Minutes
Instructions
The quiz:
Covers the Textbook material from Module 1: Week 1.
Contains 20 multiple-choice and true/false questions.
Is limited to 60 minutes.
Allows 1 attempt.
Is worth 60 points.
Submit this assignment by 11:59 p.m. (ET) on Monday of Module 1: Week 1.
Attempt History
Attempt Time Score
LATEST Attempt 1 52 minutes 60 out of 60
Correct answers are hidden.
Score for this quiz: 60 out of 60
Submitted Jul 6 at 12:32pm
This attempt took 52 minutes.
Question 1
pts
A discrete variable must be measured on a nominal or an ordinal scale.
True
False
Question 2
pts
A doctor is measuring children’s heights to the nearest inch and obtains scores such as 40, 4
42, and so on. What are the real limits for a score of X
= 42?
, 41 and 43
41.5 and 42.5
41.75 and 42.25
41.25 and 42.75
Question 3
pts
A professor records the number of students who are absent each day for the semester. Given
the scale of measurement used when measuring this variable, a bar graph should be used to
show the frequency distribution.
True
False
Question 4
pts
A bar graph is constructed so that adjacent bars touch.
True
False
Question 5
pts
A researcher is curious about the average monthly car insurance bill for high school students
the state of Florida. If this average could be obtained, it would be an example of a _____.
parameter.
statistic.
population.
sample.
Question 6
pts
If a set of exam scores forms a negatively skewed distribution, what can you likely conclude
about the students’ scores?
Most of the students had relatively high scores.
Most of the students had relatively low scores.
About an equal number of students had relatively high and relatively low scores.
It is not possible to draw any conclusions about students’ scores with this information.
