AM
BUAL 2600 - EXAM 2 – GUPTA EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
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Practice questions for this set
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How do we describe categorical variables?
Select the correct definition
1Distribution 2Counting
3Deviation 4A/b Testing
Don't know?
Terms in this set (98)
DEF: Information that can be expressed in Quantitative Data
statistical or numerical form
How do we describe Counting
categorical variables?
T/F: We do not perform arithmetic True
operations on the values of categorical
variables.
Gender
What are some examples of Qualitative Zip
Data? Codes
Phone #
State of Origin
Step 1: determine the number of categories of the
What are the steps in describing
variable Step 2: count the number of observations in each
Qualitative Data?
category Step 3: Display the data in a graph
Contingency Table
What are some types of graphs to show Frequency Table
Qualitative Data? Bar Chart
Pie Chart
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DEF: Type of graph used to show Contingency Table
Qualitative Data that displays the
distribution of one categorical variable in
rows and another categorical variable in
columns and shows the relationship
between the two variables using
frequencies or probabilities
DEF: The intersection of any row and Cell
any column in a table
What does the Cell provide in the count (frequency) for a combination of the two variables
a Contingency Table?
What does the Marginal Frequency the totals of each categorical variable
provide in a Contingency Table?
What does the Total provide in a The sum of the rows OR sum of the columns but not both
Contingency Table?
DEF: Type of graph used to show Bar Chart
Qualitative Data that displays the
distribution of a categorical
variable, showing the counts for each
category next to each other for
comparison purposes
DEF: Type of graph used to show Pie Chart
Qualitative Data that displays all the
categories of a variable in a circle, with
each category shown as a proportional
sector of the circle
DEF: Any characteristics, number, or Variable
quantity that can be measured or counted
DEF: information about qualities; Qualitative Data
information that can't actually be
measured
The heights of players on a football team
What are some examples of Quantitative number of cars in each row of a parking lot
Data? percent grade of students in a classroom
values of homes in a neighborhood
DEF: Type of graph used to show Scatter Plot
Quantitative Data that displays a 2D graph
of two quantitative variables where the
independent variable is plotted on the x-
axis and the dependent variable on the y-
axis
Direction
What are some characteristics of Scatter
Form
Plots?
Strength
DEF: Type of characteristic of a Scatter Direction
Plot that shows whether the data
points have a positive or negative
relationship
Data points that move in the same Positive
direction have a_____relationship.
Data points that move in the Negative
opposite direction have a
_____________________relationship.
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