Essentials of Statistics Chapter 2 terms.
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A frequency distribution is a tabular summary of data showing the
a. fraction of items in several classes
b. percentage of items in several classes
c. relative percentage of items in several classes
d. number of items in several classes -CORRECTANSWER d. number of items in
several classes
A tabular summary of a set of data showing the fraction of the total number of items in
several classes is a
a. frequency distribution
b. relative frequency distribution
c. frequency
d. cumulative frequency distribution -CORRECTANSWER b. relative frequency
distribution
The relative frequency of a class is computed by
a. dividing the midpoint of the class by the sample size
,b. dividing the frequency of the class by the midpoint
c. dividing the sample size by the frequency of the class
d. dividing the frequency of the class by the sample size -CORRECTANSWER d.
dividing the frequency of the class by the sample size
The percent frequency of a class is computed by
a. multiplying the relative frequency by 10
b. dividing the relative frequency by 100
c. multiplying the relative frequency by 100
d. adding 100 to the relative frequency -CORRECTANSWER c. multiplying the relative
frequency by 100
The sum of frequencies for all classes will always equal
a. 1
b. the number of elements in a data set
c. the number of classes
d. a value between 0 and 1 -CORRECTANSWER b. the number of elements in a data
set
, Fifteen percent of the students in a school of Business Administration are majoring in
Economics, 20% in Finance, 35% in Management, and 30% in Accounting. The
graphical device(s) which can be used to present these data is (are)
a. a line chart
b. only a bar chart
c. only a pie chart
d. both a bar chart and a pie chart -CORRECTANSWER d. both a bar chart and a pie
chart
A researcher is gathering data from four geographical areas designated: South = 1;
North = 2; East = 3; West = 4. The designated geographical regions represent
a. categorical data
b. quantitative data
c. label data
d. either quantitative or categorical data -CORRECTANSWER a. categorical data
Categorical data can be graphically represented by using a(n)
a. histogram
b. frequency polygon
c. ogive
Verified to pass || LATEST UPDATE 2026
A frequency distribution is a tabular summary of data showing the
a. fraction of items in several classes
b. percentage of items in several classes
c. relative percentage of items in several classes
d. number of items in several classes -CORRECTANSWER d. number of items in
several classes
A tabular summary of a set of data showing the fraction of the total number of items in
several classes is a
a. frequency distribution
b. relative frequency distribution
c. frequency
d. cumulative frequency distribution -CORRECTANSWER b. relative frequency
distribution
The relative frequency of a class is computed by
a. dividing the midpoint of the class by the sample size
,b. dividing the frequency of the class by the midpoint
c. dividing the sample size by the frequency of the class
d. dividing the frequency of the class by the sample size -CORRECTANSWER d.
dividing the frequency of the class by the sample size
The percent frequency of a class is computed by
a. multiplying the relative frequency by 10
b. dividing the relative frequency by 100
c. multiplying the relative frequency by 100
d. adding 100 to the relative frequency -CORRECTANSWER c. multiplying the relative
frequency by 100
The sum of frequencies for all classes will always equal
a. 1
b. the number of elements in a data set
c. the number of classes
d. a value between 0 and 1 -CORRECTANSWER b. the number of elements in a data
set
, Fifteen percent of the students in a school of Business Administration are majoring in
Economics, 20% in Finance, 35% in Management, and 30% in Accounting. The
graphical device(s) which can be used to present these data is (are)
a. a line chart
b. only a bar chart
c. only a pie chart
d. both a bar chart and a pie chart -CORRECTANSWER d. both a bar chart and a pie
chart
A researcher is gathering data from four geographical areas designated: South = 1;
North = 2; East = 3; West = 4. The designated geographical regions represent
a. categorical data
b. quantitative data
c. label data
d. either quantitative or categorical data -CORRECTANSWER a. categorical data
Categorical data can be graphically represented by using a(n)
a. histogram
b. frequency polygon
c. ogive
