PSYC 210 quizzes Questions with CORRECT Answers (Grade A+)
Question 1:
primary purpose of learning about statistics:
A. So you can overwhelm your opponents with numbers
B. To show discuss what kind of distribution you have
C. To learn the purpose of the standard normal distribution
D. So you can make a claim and support it with evidence
Answer:
D. So you can make a claim and support it with evidence
Question 2:
what do we mean when we use the term "variable" in statistics?
A. refers to some abstract concept that might differ between people
B. Coding characteristics of human behavior into discrete categories
C. An orderly way to assign numbers to observations
D. The way we measure an abstract construct
Answer:
A. refers to some abstract concept that might differ between people
Question 3:
Assessing how happy UNC students are on a 7- point scale (1 not very happy to 7 extremely happy)
would be best achieved using what type of scale?
A. Nominal
B. Ordinal
C. Interval
D. Ratio
Answer:
C. Interval
,Question 4:
In a frequency distribution graph, frequencies are presented on the __________ and the scores
(categories) are listed on the __________.
A. class interval; horizontal line
B. Y axis; X axis
C. horizontal line; vertical line
D. X axis; Y axis
Answer:
B. Y axis; X axis
Question 5:
The preferred graph to display the frequency of variables measured on a nominal scale is a:
A. Histogram
B. Pie chart
C. Cumulative frequency polygon
D. Relative frequency polygon
Answer:
B. Pie chart
Question 6:
Using letter grades (A, B, C, D, and
F. to classify student performance is an example of measurement on a(n) __________ scale of
measurement.
A. Ordinal
B. Ratio
C. Interval
D. Nominal
Answer:
A. Ordinal
, Question 7:
For a relative frequency histogram, each point on the graph represents
A. the percent of scores at a particular point or interval
B. the percent of scores above a particular point or interval
C. the percent of scores at or below a particular point or interval divided by the total number of scores
D. the percent of scores above a particular point or interval divided by the total number of scores
Answer:
A. the percent of scores at a particular point or interval
Question 8:
The heights of the columns of a histogram indicate the:
A. Average scores
B. Number of scores in a particular interval
C. The midpoints of the various intervals
D. Value of the score being graphed
Answer:
B. Number of scores in a particular interval
Question 9:
What is one way to simplify variables with many, many levels (or decimal places) when creating a
frequency distribution?
A. Ignore outliers
B. Organize data into class intervals
C. Graph each level of the variable individually
D. Compute a mean, median, and mode
Answer:
B. Organize data into class intervals
Question 10:
What is the purpose of a pie chart, histogram, or polygon?
Question 1:
primary purpose of learning about statistics:
A. So you can overwhelm your opponents with numbers
B. To show discuss what kind of distribution you have
C. To learn the purpose of the standard normal distribution
D. So you can make a claim and support it with evidence
Answer:
D. So you can make a claim and support it with evidence
Question 2:
what do we mean when we use the term "variable" in statistics?
A. refers to some abstract concept that might differ between people
B. Coding characteristics of human behavior into discrete categories
C. An orderly way to assign numbers to observations
D. The way we measure an abstract construct
Answer:
A. refers to some abstract concept that might differ between people
Question 3:
Assessing how happy UNC students are on a 7- point scale (1 not very happy to 7 extremely happy)
would be best achieved using what type of scale?
A. Nominal
B. Ordinal
C. Interval
D. Ratio
Answer:
C. Interval
,Question 4:
In a frequency distribution graph, frequencies are presented on the __________ and the scores
(categories) are listed on the __________.
A. class interval; horizontal line
B. Y axis; X axis
C. horizontal line; vertical line
D. X axis; Y axis
Answer:
B. Y axis; X axis
Question 5:
The preferred graph to display the frequency of variables measured on a nominal scale is a:
A. Histogram
B. Pie chart
C. Cumulative frequency polygon
D. Relative frequency polygon
Answer:
B. Pie chart
Question 6:
Using letter grades (A, B, C, D, and
F. to classify student performance is an example of measurement on a(n) __________ scale of
measurement.
A. Ordinal
B. Ratio
C. Interval
D. Nominal
Answer:
A. Ordinal
, Question 7:
For a relative frequency histogram, each point on the graph represents
A. the percent of scores at a particular point or interval
B. the percent of scores above a particular point or interval
C. the percent of scores at or below a particular point or interval divided by the total number of scores
D. the percent of scores above a particular point or interval divided by the total number of scores
Answer:
A. the percent of scores at a particular point or interval
Question 8:
The heights of the columns of a histogram indicate the:
A. Average scores
B. Number of scores in a particular interval
C. The midpoints of the various intervals
D. Value of the score being graphed
Answer:
B. Number of scores in a particular interval
Question 9:
What is one way to simplify variables with many, many levels (or decimal places) when creating a
frequency distribution?
A. Ignore outliers
B. Organize data into class intervals
C. Graph each level of the variable individually
D. Compute a mean, median, and mode
Answer:
B. Organize data into class intervals
Question 10:
What is the purpose of a pie chart, histogram, or polygon?
