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Exam (elaborations)
WGU C784 Applied Healthcare Statistics Exam – 2026/2027 Objective Assessment Study Guide
WGU C784 Applied Healthcare Statistics Exam – 2026/2027 Objective Assessment Study Guide
Exam (elaborations)
WGU C784 - Applied Healthcare Statistics EXAM TEST QUESTIONS
WGU C784 - 
Applied 
Healthcare 
Statistics 
EXAM TEST 
QUESTIONS 
 
A patient's medication was increased by 40 
milligrams. What is the percent increase in the 
medication if the original medication was 180 
milligrams? 
A. 2.2% 
B. 4.5% 
C. 22.2% 
D. 45% - ANS-C. 22.2% 
What is the greatest common factor of 132 and the 
square root of 121 using prime factorization? 
A. 1 
B. 2 
C. 10 
D. 11 - ANS-D. 11 
What is the greatest common factor of 24 and 84 
using prime factorization? 
A. ...
Exam (elaborations)
WGU C784 - APPLIED HEALTHCARE STATISTICS EXAM TEST QUESTIONS
When one variable causes change in another, we call 
the first variable the ___________________ 
variable*. 
The affected variable is called the _______________ 
variable*. - CORRECT ANSWER-When one 
variable causes change in another, we call the first 
variable the explanatory variable*. 
The affected variable is called the response 
variable*. 
In a randomized experiment, the researcher 
manipulates values of the explanatory variable and 
measures the resulting changes in the response 
variabl...