Questions and Answers (Latest Update
2024)
Define Mode - Correct Answer ✅The value that occurs
most often in a data set
The Mean of a data set represents the? - Correct Answer
✅Average
Median of a data set - Correct Answer ✅The middle value
of the data set
What are the two types of variables - Correct Answer ✅1)
Quantitative Variable 2) Categorical Variable
Quantitative variable - Correct Answer ✅Quantitative
variable - a variable that takes a numerical value that can be
counted or measured.
Examples: height, weight, age, cholesterol level, exam scores
Categorical variable - Correct Answer ✅Categorical
variable - a variable that is not measured; it is a "category" or
a label; it places the individual in a certain group.
, WGU C784-Statistics Mod 4 Exam
Questions and Answers (Latest Update
2024)
Examples: gender, months of the year, zip codes
List Two Graphical Displays for Categorical Data - Correct
Answer ✅1) Pie Charts 2) Bar Charts
___________________ - best when we want to display different
parts of a whole - Correct Answer ✅Pie Charts.
_______________________ - best to display counts or frequencies
for the categories - Correct Answer ✅Bar Charts.
List the 4 different Graphical Displays for Quantitative Data -
Correct Answer ✅Dot Plot - Best to display the distribution
of data, particularly clusters, gaps, and outliers. Most useful
for smaller data sets.
Stem Plot (or Stem and Leaf Plot) - Best to display the
distribution or shape of data according to place values. Keeps
information about individual data points.