WGU C784
WGU C784 Applied Healthcare Statistics Final Exam
2026/2027 | Complete Verified Questions and Answers
| Latest Updated WGU C784 Exam | Based on
Frequently Tested Statistical Concepts
Section 1: Basic Numeracy & Algebra (Questions 1-20)
Q1. Solve for x: 3x + 7 = 22
A. x = 3
B. x = 5
C. x = 7
D. x = 9
Answer: B
Rationale: Subtract 7 from both sides: 3x = 15. Divide by 3: x = 5.
Q2. What is 0.625 as a simplified fraction?
A. 5/8
B. 3/4
C. 7/8
D. 2/3
Answer: A
Rationale: 0.625 = 625/1000. Divide numerator and denominator by 125 to get 5/8.
Q3. What is 3/5 as a percentage?
A. 30%
B. 35%
C. 60%
D. 75%
Answer: C
Rationale: Divide 3 by 5 = 0.6. Multiply by 100 = 60%.
Q4. Calculate: (8 + 4) × 2 - 6 ÷ 3
A. 6
B. 12
C. 22
D. 24
Answer: C
Rationale: Parentheses first: 12. Multiplication: 12 × 2 = 24. Division: 6 ÷ 3 = 2. Subtract: 24 - 2 = 22.
Q5. What is 15% of 80?
A. 8
B. 10
, WGU C784
C. 12
D. 15
Answer: C
Rationale: 0.15 × 80 = 12.
Q6. A patient's temperature drops from 101.4°F to 98.6°F. What is the percent decrease?
A. 2.8%
B. 5.6%
C. 11.2%
D. 15.3%
Answer: A
Rationale: Decrease = 101.4 - 98.6 = 2.8. Percent = (2..4) × 100 = 2.76% ≈ 2.8%.
Q7. Express 7/8 as a decimal.
A. 0.75
B. 0.80
C. 0.875
D. 0.925
Answer: C
Rationale: 7 ÷ 8 = 0.875.
Q8. Solve the proportion: 5/10 = x/16
A. x = 4
B. x = 6
C. x = 8
D. x = 10
Answer: C
Rationale: Cross-multiply: 10x = 80. Divide by 10: x = 8.
Q9. A medication is available as 50 mg/mL. How many mL are needed for a 125 mg dose?
A. 2.0 mL
B. 2.5 mL
C. 3.0 mL
D. 4.0 mL
Answer: B
Rationale: 125 mg / 50 mg per mL = 2.5 mL.
Q10. What is the value of 2³ × 3²?
A. 36
B. 54
C. 72
D. 108
Answer: C
Rationale: 2³ = 8, 3² = 9, 8 × 9 = 72.
Q11. A patient weighs 200 lbs. What is their weight in kg? (1 kg = 2.2 lbs)
A. 80 kg
, WGU C784
B. 88 kg
C. 90.9 kg
D. 110 kg
Answer: C
Rationale: .2 = 90.9 kg.
Q12. Convert 250 mL to liters.
A. 0.025 L
B. 0.25 L
C. 2.5 L
D. 25 L
Answer: B
Rationale: = 0.25 L.
Q13. What is the absolute value of -9?
A. -9
B. 0
C. 9
D. 18
Answer: C
Rationale: Absolute value is the distance from zero, always positive.
Q14. Order from smallest to largest: 0.3, 1/4, 0.28, 2/5
A. 0.3, 0.28, 1/4, 2/5
B. 1/4, 0.28, 0.3, 2/5
C. 0.28, 1/4, 0.3, 2/5
D. 2/5, 0.3, 0.28, 1/4
Answer: B
Rationale: Convert all to decimals: 1/4 = 0.25, 2/5 = 0.4. Order: 0.25, 0.28, 0.3, 0.4.
Q15. Simplify: 12/36
A. 1/3
B. 1/2
C. 2/3
D. 3/4
Answer: A
Rationale: Divide numerator and denominator by 12.
Q16. Calculate: 0.05 × 0.06
A. 0.003
B. 0.03
C. 0.3
D. 3.0
Answer: A
Rationale: 5 × 6 = 30, then move the decimal 4 places left = 0.003.
, WGU C784
Q17. A patient receives 0.5 L of IV fluid. How many mL is that?
A. 50 mL
B. 500 mL
C. 5,000 mL
D. 50,000 mL
Answer: B
Rationale: 0.5 × 1000 = 500 mL.
Q18. Solve for x: 2(x - 4) = 12
A. x = 6
B. x = 8
C. x = 10
D. x = 12
Answer: C
Rationale: Divide by 2: x - 4 = 6. Add 4: x = 10.
Q19. What is 7% as a decimal?
A. 0.007
B. 0.07
C. 0.7
D. 7.0
Answer: B
Rationale: = 0.07.
Q20. If a patient needs 750 mg and the tablet is 250 mg, how many tablets?
A. 2
B. 3
C. 4
D. 5
Answer: B
Rationale: = 3 tablets.
Section 2: Descriptive Statistics (Questions 21-45)
Q21. What is the mean of the following dataset? 4, 8, 6, 5, 12
A. 5
B. 6
C. 7
D. 8
Answer: C
Rationale: Sum = 35, n = 5, Mean = 35/5 = 7.
Q22. What is the median of: 3, 9, 4, 7, 6, 8, 5
A. 5
B. 6
WGU C784 Applied Healthcare Statistics Final Exam
2026/2027 | Complete Verified Questions and Answers
| Latest Updated WGU C784 Exam | Based on
Frequently Tested Statistical Concepts
Section 1: Basic Numeracy & Algebra (Questions 1-20)
Q1. Solve for x: 3x + 7 = 22
A. x = 3
B. x = 5
C. x = 7
D. x = 9
Answer: B
Rationale: Subtract 7 from both sides: 3x = 15. Divide by 3: x = 5.
Q2. What is 0.625 as a simplified fraction?
A. 5/8
B. 3/4
C. 7/8
D. 2/3
Answer: A
Rationale: 0.625 = 625/1000. Divide numerator and denominator by 125 to get 5/8.
Q3. What is 3/5 as a percentage?
A. 30%
B. 35%
C. 60%
D. 75%
Answer: C
Rationale: Divide 3 by 5 = 0.6. Multiply by 100 = 60%.
Q4. Calculate: (8 + 4) × 2 - 6 ÷ 3
A. 6
B. 12
C. 22
D. 24
Answer: C
Rationale: Parentheses first: 12. Multiplication: 12 × 2 = 24. Division: 6 ÷ 3 = 2. Subtract: 24 - 2 = 22.
Q5. What is 15% of 80?
A. 8
B. 10
, WGU C784
C. 12
D. 15
Answer: C
Rationale: 0.15 × 80 = 12.
Q6. A patient's temperature drops from 101.4°F to 98.6°F. What is the percent decrease?
A. 2.8%
B. 5.6%
C. 11.2%
D. 15.3%
Answer: A
Rationale: Decrease = 101.4 - 98.6 = 2.8. Percent = (2..4) × 100 = 2.76% ≈ 2.8%.
Q7. Express 7/8 as a decimal.
A. 0.75
B. 0.80
C. 0.875
D. 0.925
Answer: C
Rationale: 7 ÷ 8 = 0.875.
Q8. Solve the proportion: 5/10 = x/16
A. x = 4
B. x = 6
C. x = 8
D. x = 10
Answer: C
Rationale: Cross-multiply: 10x = 80. Divide by 10: x = 8.
Q9. A medication is available as 50 mg/mL. How many mL are needed for a 125 mg dose?
A. 2.0 mL
B. 2.5 mL
C. 3.0 mL
D. 4.0 mL
Answer: B
Rationale: 125 mg / 50 mg per mL = 2.5 mL.
Q10. What is the value of 2³ × 3²?
A. 36
B. 54
C. 72
D. 108
Answer: C
Rationale: 2³ = 8, 3² = 9, 8 × 9 = 72.
Q11. A patient weighs 200 lbs. What is their weight in kg? (1 kg = 2.2 lbs)
A. 80 kg
, WGU C784
B. 88 kg
C. 90.9 kg
D. 110 kg
Answer: C
Rationale: .2 = 90.9 kg.
Q12. Convert 250 mL to liters.
A. 0.025 L
B. 0.25 L
C. 2.5 L
D. 25 L
Answer: B
Rationale: = 0.25 L.
Q13. What is the absolute value of -9?
A. -9
B. 0
C. 9
D. 18
Answer: C
Rationale: Absolute value is the distance from zero, always positive.
Q14. Order from smallest to largest: 0.3, 1/4, 0.28, 2/5
A. 0.3, 0.28, 1/4, 2/5
B. 1/4, 0.28, 0.3, 2/5
C. 0.28, 1/4, 0.3, 2/5
D. 2/5, 0.3, 0.28, 1/4
Answer: B
Rationale: Convert all to decimals: 1/4 = 0.25, 2/5 = 0.4. Order: 0.25, 0.28, 0.3, 0.4.
Q15. Simplify: 12/36
A. 1/3
B. 1/2
C. 2/3
D. 3/4
Answer: A
Rationale: Divide numerator and denominator by 12.
Q16. Calculate: 0.05 × 0.06
A. 0.003
B. 0.03
C. 0.3
D. 3.0
Answer: A
Rationale: 5 × 6 = 30, then move the decimal 4 places left = 0.003.
, WGU C784
Q17. A patient receives 0.5 L of IV fluid. How many mL is that?
A. 50 mL
B. 500 mL
C. 5,000 mL
D. 50,000 mL
Answer: B
Rationale: 0.5 × 1000 = 500 mL.
Q18. Solve for x: 2(x - 4) = 12
A. x = 6
B. x = 8
C. x = 10
D. x = 12
Answer: C
Rationale: Divide by 2: x - 4 = 6. Add 4: x = 10.
Q19. What is 7% as a decimal?
A. 0.007
B. 0.07
C. 0.7
D. 7.0
Answer: B
Rationale: = 0.07.
Q20. If a patient needs 750 mg and the tablet is 250 mg, how many tablets?
A. 2
B. 3
C. 4
D. 5
Answer: B
Rationale: = 3 tablets.
Section 2: Descriptive Statistics (Questions 21-45)
Q21. What is the mean of the following dataset? 4, 8, 6, 5, 12
A. 5
B. 6
C. 7
D. 8
Answer: C
Rationale: Sum = 35, n = 5, Mean = 35/5 = 7.
Q22. What is the median of: 3, 9, 4, 7, 6, 8, 5
A. 5
B. 6
