PSYCH 210 - CHAPTER 2 EXAM QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2026
Mark is looking at a histogram depicting students placed in various high schools. In this histogram, the
x-axis most likely represents the _____ while the y-axis most likely represents the _____.
Question options:
a) total number of students; frequencies
b) frequencies or number of students; values of the variable "high school"
c) values of the variable "high school"; frequencies or number of students
d) number of extreme observations; total number of students - Answers C
A graduate statistics class is unhappy with the midterm grades. The majority of students scored 45 or
below on a 100-point scale, with just several students performing very well. Which type of
distribution do the test scores represent?
Question options:
a) normal
b) negatively skewed
c) positively skewed
d) nominal - Answers C
Why is it sometimes easier to use a frequency table to interpret data than to examine a distribution of
raw scores?
Question options:
a) Raw scores are not based on the sample.
b) Frequency tables display patterns, organizing the data by frequency of scores.
c) Raw scores do not represent the data.
d) A frequency table transforms the raw scores by showing the means. - Answers B
A normal distribution is _____, while a skewed distribution is _____.
Question options:
a) unimodal; symmetric
b) symmetric; nonsymmetric
c) nonsymmetric; symmetric
d) symmetric; unimodal - Answers B
The two most common methods for graphing interval data for one variable are the _____ and the
_____.
Question options:
a) histogram; frequency polygon
b) frequency distribution; frequency polygon
c) grouped frequency table; frequency polygon
d) grouped frequency table; frequency distribution - Answers A
Mark is looking at a histogram depicting students placed in various high schools. In this histogram, the
x-axis most likely represents the _____ while the y-axis most likely represents the _____.
Question options:
a) total number of students; frequencies
b) frequencies or number of students; values of the variable "high school"
c) values of the variable "high school"; frequencies or number of students
d) number of extreme observations; total number of students - Answers C
A graduate statistics class is unhappy with the midterm grades. The majority of students scored 45 or
below on a 100-point scale, with just several students performing very well. Which type of
distribution do the test scores represent?
Question options:
a) normal
b) negatively skewed
c) positively skewed
d) nominal - Answers C
Why is it sometimes easier to use a frequency table to interpret data than to examine a distribution of
raw scores?
Question options:
a) Raw scores are not based on the sample.
b) Frequency tables display patterns, organizing the data by frequency of scores.
c) Raw scores do not represent the data.
d) A frequency table transforms the raw scores by showing the means. - Answers B
A normal distribution is _____, while a skewed distribution is _____.
Question options:
a) unimodal; symmetric
b) symmetric; nonsymmetric
c) nonsymmetric; symmetric
d) symmetric; unimodal - Answers B
The two most common methods for graphing interval data for one variable are the _____ and the
_____.
Question options:
a) histogram; frequency polygon
b) frequency distribution; frequency polygon
c) grouped frequency table; frequency polygon
d) grouped frequency table; frequency distribution - Answers A
