WGU C784 - APPLIED HEALTHCARE
STATISTICS PRE-ASSESSMENT EXAM
QUESTIONS AND ANSWERS UPDATED
(2026/2027) (VERIFIED ANSWERS)
What is the Fahrenheit equivalent for a patient's room that needs to be kept at
25 degrees Celsius?
A. 70°
B. 75°
C. 77°
D. 80° CORRECT ANSWER: C. 77°
What is the Celsius equivalent for a patient who is running a fever of 102 degrees
Fahrenheit?
A. 37.9°C
B. 38.9°C
C. 39.9°C
D. 40.9°C CORRECT ANSWER: 38.9°C
What is the value of x in this equation? 2x + 3 = 13
A. 5
B. 10
, 2
C. 76
D. 106 CORRECT ANSWER: A. 5
Solve the following equation: x − 5/4 = 2/3. What is the value of x?
A. 3/12
B. 7/12
C. 10/12
D. 23/12 CORRECT ANSWER: D. 23/12
Question #21: Battery lifetime is normally distributed for large samples. The
mean lifetime is 500 days, and the standard deviation is 61 days. Which percent
of batteries have lifetimes longer than 561 days?
A. 16
B. 21
C. 26
D. 31 CORRECT ANSWER: A. 16
Question #22: Five hundred values are normally distributed with a mean of 125
and a standard deviation of 10. Which percent of the values lies between the
interval 115-135?
A. 50
B. 68
C. 95
D. 99 CORRECT ANSWER: B. 68
, 3
Question #23: A paediatric unit wants to know what the median age is of its
adolescent population so they can focus on activities for these clients. The unit
staff recorded the ages of 12 adolescents over a three month period:
Age(s): Frequency(ies):
13 1
16 2
17 2
18 3
19 4
What is the median age?
A. 18.6
B. 17
C. 17.2
D. 18 CORRECT ANSWER: D. 18
Question #24: A survey asked residents to rate their community hospital on a
scale of 1 to 10, with 10 being the most happy with the hospital services. The
data shows a positively skewed distribution. How are the mean, median and
mode related?
A. Mean < Median < Mode
B. Mode < Median < Mean
C. Mean < Mode < Median
D. Median < Mode < Mean CORRECT ANSWER: B. Mode < Median < Mean
Question # 25: An intensive care unit patient has frequent systolic blood pressure
measures represented in the following data set: 140, 150, 154, 154, 170, 176,
180. What is the mode?