Page 1 of 37
C207 WGU OA EXAM NEWEST VERSION WITH
COMPLETE QUESTIONS AND CORRECT ANSWERS
LATEST UPDATE JUST RELEASED THIS YEAR
Question - If you came in first, second, or third in a race, this would be an example of a type of
data. Rankings are an example of which kind of data?
A - Nominal
B - Continuous
C - Discrete
D - Ordinal - CORRECT ANSWER✔✔D - Ordinal
• Nominal - names
• Ordinal - order
• Interval - equal distance
• Ratio - Unique zero point
, Page 2 of 37
Question: Question - Is there a trend in the incidence of child abuse in a particular State? 2
years of monthly incidence rates of child abuse
A - Paired sample t-test
B - Time series trend analysis
C - Chi-square
D - Logistic regression - CORRECT ANSWER✔✔B - Time series trend analysis
Key wards: trend, monthly, rates
• Time Series is an approach that usually requires regression to see the relationship over time as
a trend
Question: Question - Is there a relationship between number of training hours for counselors
and number of patient incidents requiring physical restraint? Staff training hours and 3 years of
monthly incidence data.
A - Regression
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B - ANOVA
C - Multiple Regression
D - Chi-square - CORRECT ANSWER✔✔A - Regression
Key words: relationship, hours, indicates
• If you see a 3, do not just assume that it is about ANOVA
• This is the relationship between one X and one Y
Question: Question - Are there
differences in average police salaries across 3 adjoining precincts? Annual salaries of individual
police officers from 3 precincts
A - paired sample t-test
B - ANOVA
C - multiple regression
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D - chi-square - CORRECT ANSWER✔✔B - ANOVA
Key words: salaries, 3 precincts
Question: Question - Are there differences in police staffing across 3 adjoining precincts?
Staffing of individual police officers from 3 precincts
A - paired sample t-test
B -ANOVA
C - multiple regression
D - chi-square - CORRECT ANSWER✔✔D - chi-square
Key word: staffing
• Did you NOTICE the wording changed??
• STAFFING IS HEADCOUNT!!
•IF WE ARE COUNTING, THAT IS A FREQUENCY - We CAN'T use ANOVA
C207 WGU OA EXAM NEWEST VERSION WITH
COMPLETE QUESTIONS AND CORRECT ANSWERS
LATEST UPDATE JUST RELEASED THIS YEAR
Question - If you came in first, second, or third in a race, this would be an example of a type of
data. Rankings are an example of which kind of data?
A - Nominal
B - Continuous
C - Discrete
D - Ordinal - CORRECT ANSWER✔✔D - Ordinal
• Nominal - names
• Ordinal - order
• Interval - equal distance
• Ratio - Unique zero point
, Page 2 of 37
Question: Question - Is there a trend in the incidence of child abuse in a particular State? 2
years of monthly incidence rates of child abuse
A - Paired sample t-test
B - Time series trend analysis
C - Chi-square
D - Logistic regression - CORRECT ANSWER✔✔B - Time series trend analysis
Key wards: trend, monthly, rates
• Time Series is an approach that usually requires regression to see the relationship over time as
a trend
Question: Question - Is there a relationship between number of training hours for counselors
and number of patient incidents requiring physical restraint? Staff training hours and 3 years of
monthly incidence data.
A - Regression
, Page 3 of 37
B - ANOVA
C - Multiple Regression
D - Chi-square - CORRECT ANSWER✔✔A - Regression
Key words: relationship, hours, indicates
• If you see a 3, do not just assume that it is about ANOVA
• This is the relationship between one X and one Y
Question: Question - Are there
differences in average police salaries across 3 adjoining precincts? Annual salaries of individual
police officers from 3 precincts
A - paired sample t-test
B - ANOVA
C - multiple regression
, Page 4 of 37
D - chi-square - CORRECT ANSWER✔✔B - ANOVA
Key words: salaries, 3 precincts
Question: Question - Are there differences in police staffing across 3 adjoining precincts?
Staffing of individual police officers from 3 precincts
A - paired sample t-test
B -ANOVA
C - multiple regression
D - chi-square - CORRECT ANSWER✔✔D - chi-square
Key word: staffing
• Did you NOTICE the wording changed??
• STAFFING IS HEADCOUNT!!
•IF WE ARE COUNTING, THAT IS A FREQUENCY - We CAN'T use ANOVA