WGU C784 – Applied Healthcare Statistics Objective Assessment &
Pre-Assessment Exam 2026–2027 | Latest Actual OA & PA Questions
with Verified Correct Answers & Detailed Rationales | Complete
WGU C784 Statistics Study Guide | Brand New Revised Edition
THIS EXAM INCLUDES:
• Latest WGU C784 OA & PA practice questions
• Verified correct answers with detailed explanations
• Healthcare statistics and biostatistics review
• Probability and hypothesis testing practice
• Regression, correlation, and data analysis questions
• Confidence intervals and statistical interpretation
• Descriptive and inferential statistics coverage
• Research methods and evidence-based practice concepts
• Comprehensive exam preparation for 2026–2027
• Easy-to-follow format for quick studying and revision
,WGU C784 – Applied Healthcare Statistics Objective
Assessment
1. Given the following set of numbers: 3.3, -2.3, -16, 25. What are the
square roots of the whole number?
A. ± 2.3
B. ± 3.3
C. ± 4
D. ± 5
Correct Answer: D
2. Given the following set of numbers: 10, 2.5, -4, -4.5, 5. What is the
sum when adding together only the whole numbers?
A. 5.5
B. 11
C. 12.5
D. 15
Correct Answer: D
3. Given the following expression: 4 + 7 × (6 − 3)2 . What is the
answer using proper order of operations?
A. 25
B. 46
C. 67
D. 99
Correct Answer: C
,4. Given the following expression: 5 × (30 − 27)2 + 4. What is the
correct answer using the proper order of operations?
A. 34
B. 49
C. 65
D. 81
Correct Answer: B
5. 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
Correct Answer: D
6. What is the greatest common factor of 24 and 84 using prime
factorization?
A. 2
B. 4
C. 8
D. 12
Correct Answer: D
7. What is 3/14 − 1/7?
A. 1/14
B. 2/7
, C. 5/14
D. 3/2
Correct Answer: A
8. What is 2/3 + 1/4?
A. 11/12
B. 3/12
C. 3/7
D. 8/3
Correct Answer: A
9. A patient's protein intake for today has been 15.76g, 8.49g, and
22.58g. What is the total protein intake rounded to the nearest tenth of
a decimal?
A. 46.5g
B. 46.8g
C. 46.9g
D. 47g
Correct Answer: B
10. Given the equation: (5.475 - 0.3025) × 0.15. What is the solution
rounded to the nearest thousandth?
A. 0.03675
B. 0.0368
C. 0.368
D. 0.037
Correct Answer: D
Pre-Assessment Exam 2026–2027 | Latest Actual OA & PA Questions
with Verified Correct Answers & Detailed Rationales | Complete
WGU C784 Statistics Study Guide | Brand New Revised Edition
THIS EXAM INCLUDES:
• Latest WGU C784 OA & PA practice questions
• Verified correct answers with detailed explanations
• Healthcare statistics and biostatistics review
• Probability and hypothesis testing practice
• Regression, correlation, and data analysis questions
• Confidence intervals and statistical interpretation
• Descriptive and inferential statistics coverage
• Research methods and evidence-based practice concepts
• Comprehensive exam preparation for 2026–2027
• Easy-to-follow format for quick studying and revision
,WGU C784 – Applied Healthcare Statistics Objective
Assessment
1. Given the following set of numbers: 3.3, -2.3, -16, 25. What are the
square roots of the whole number?
A. ± 2.3
B. ± 3.3
C. ± 4
D. ± 5
Correct Answer: D
2. Given the following set of numbers: 10, 2.5, -4, -4.5, 5. What is the
sum when adding together only the whole numbers?
A. 5.5
B. 11
C. 12.5
D. 15
Correct Answer: D
3. Given the following expression: 4 + 7 × (6 − 3)2 . What is the
answer using proper order of operations?
A. 25
B. 46
C. 67
D. 99
Correct Answer: C
,4. Given the following expression: 5 × (30 − 27)2 + 4. What is the
correct answer using the proper order of operations?
A. 34
B. 49
C. 65
D. 81
Correct Answer: B
5. 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
Correct Answer: D
6. What is the greatest common factor of 24 and 84 using prime
factorization?
A. 2
B. 4
C. 8
D. 12
Correct Answer: D
7. What is 3/14 − 1/7?
A. 1/14
B. 2/7
, C. 5/14
D. 3/2
Correct Answer: A
8. What is 2/3 + 1/4?
A. 11/12
B. 3/12
C. 3/7
D. 8/3
Correct Answer: A
9. A patient's protein intake for today has been 15.76g, 8.49g, and
22.58g. What is the total protein intake rounded to the nearest tenth of
a decimal?
A. 46.5g
B. 46.8g
C. 46.9g
D. 47g
Correct Answer: B
10. Given the equation: (5.475 - 0.3025) × 0.15. What is the solution
rounded to the nearest thousandth?
A. 0.03675
B. 0.0368
C. 0.368
D. 0.037
Correct Answer: D
