Statistics final wgu academy- WGU Exam Study
Guide – Complete Questions with Correct
Detailed Answers | Latest Updated Version
Prepare effectively for your Western Governors University (WGU) exams with this
comprehensive and well-organized study guide. This resource contains complete exam
questions with correct and detailed answers, designed to help students understand key
concepts and successfully prepare for their WGU assessments.
WGU courses follow a competency-based learning model, meaning students must
demonstrate a strong understanding of course objectives before passing their assessments.
This study guide helps simplify the process by providing structured questions and accurate
explanations that reinforce important topics and improve exam readiness.
What This Study Guide Includes
✔ Complete exam questions covering key WGU course competencies
✔ Correct answers with clear and detailed explanations
✔ Organized format for quick and effective revision
✔ Coverage of commonly tested concepts in WGU assessments
✔ Latest updated version for reliable exam preparation
Why This Study Guide Is Helpful
This resource is designed to help students review faster, understand concepts more clearly,
and build confidence before taking WGU Objective Assessments (OA). Practicing with
structured questions and reviewing detailed answers helps strengthen knowledge and
improve test-taking skills.
Ideal For
• WGU Objective Assessment (OA) preparation
• Midterm and final exam review
• Self-paced study and revision
,• Practicing exam-style questions
• Strengthening understanding of course competencies
A valuable study resource designed to support WGU students in preparing effectively and
performing confidently in their exams.
nominal variables -answer Categorical variables that there is no natural order among
the categories
ordinal variable -answer Categorical variables where there is natural order among the
categories (low-high)
interval -answer A measurement which makes sense to talk about the difference
between values but not the ratio between values
ratio -answer Quantitive variables where is makes sense to talk about the difference
in ratios. (Income, weight)
In ratios: -answer Value 0 means the absence of quantity (income $0)
Distribution of a Variable -answer Tells us what values the variables take and how
often they take those values
In intervals: -answer Vale 0 does not mean the absence of value (temp = 0F)
Pie charts -answer Emphasize how the different categories relate to the whole
, Bar charts -answer Emphasize how the different categories compare with each other
Histogram -answer Breaking the range of values into intervals and count how many
observations fall into interval.
Stemplot(stem and leaf plot) -answer Graphical display of quantitive data. Data is
spread into "stem" and "leaf". It retains the data and sorts.
Boxplot -answer Graphically represents the distribution of a quantitive variable.
Visually displays the five number summary and the observations classified as a suspected
outlier.
Measures of Center -answer Mode, mean, and median.
Mode -answer The most commonly occurring value. Can be unimodal or bimodal
Mean -answer The average of a set of observations.
The sum of observations divided by the number of observations. (x bar)
Median -answer The midpoint of the distribution. (M)
Measures of soread -answer Range, inter quartile range (IQR), standard deviation
How to find the median -answer -order the data smallest to largest
-if the number(n) of observations is odd (n+1)/2nd spot
Guide – Complete Questions with Correct
Detailed Answers | Latest Updated Version
Prepare effectively for your Western Governors University (WGU) exams with this
comprehensive and well-organized study guide. This resource contains complete exam
questions with correct and detailed answers, designed to help students understand key
concepts and successfully prepare for their WGU assessments.
WGU courses follow a competency-based learning model, meaning students must
demonstrate a strong understanding of course objectives before passing their assessments.
This study guide helps simplify the process by providing structured questions and accurate
explanations that reinforce important topics and improve exam readiness.
What This Study Guide Includes
✔ Complete exam questions covering key WGU course competencies
✔ Correct answers with clear and detailed explanations
✔ Organized format for quick and effective revision
✔ Coverage of commonly tested concepts in WGU assessments
✔ Latest updated version for reliable exam preparation
Why This Study Guide Is Helpful
This resource is designed to help students review faster, understand concepts more clearly,
and build confidence before taking WGU Objective Assessments (OA). Practicing with
structured questions and reviewing detailed answers helps strengthen knowledge and
improve test-taking skills.
Ideal For
• WGU Objective Assessment (OA) preparation
• Midterm and final exam review
• Self-paced study and revision
,• Practicing exam-style questions
• Strengthening understanding of course competencies
A valuable study resource designed to support WGU students in preparing effectively and
performing confidently in their exams.
nominal variables -answer Categorical variables that there is no natural order among
the categories
ordinal variable -answer Categorical variables where there is natural order among the
categories (low-high)
interval -answer A measurement which makes sense to talk about the difference
between values but not the ratio between values
ratio -answer Quantitive variables where is makes sense to talk about the difference
in ratios. (Income, weight)
In ratios: -answer Value 0 means the absence of quantity (income $0)
Distribution of a Variable -answer Tells us what values the variables take and how
often they take those values
In intervals: -answer Vale 0 does not mean the absence of value (temp = 0F)
Pie charts -answer Emphasize how the different categories relate to the whole
, Bar charts -answer Emphasize how the different categories compare with each other
Histogram -answer Breaking the range of values into intervals and count how many
observations fall into interval.
Stemplot(stem and leaf plot) -answer Graphical display of quantitive data. Data is
spread into "stem" and "leaf". It retains the data and sorts.
Boxplot -answer Graphically represents the distribution of a quantitive variable.
Visually displays the five number summary and the observations classified as a suspected
outlier.
Measures of Center -answer Mode, mean, and median.
Mode -answer The most commonly occurring value. Can be unimodal or bimodal
Mean -answer The average of a set of observations.
The sum of observations divided by the number of observations. (x bar)
Median -answer The midpoint of the distribution. (M)
Measures of soread -answer Range, inter quartile range (IQR), standard deviation
How to find the median -answer -order the data smallest to largest
-if the number(n) of observations is odd (n+1)/2nd spot
