Applied Healthcare Statistics Final Exam 2026 – 300 Real Questions With Correct Detailed Answers

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Applied Healthcare Statistics Final Exam

With Multiple, Correctly Answered Questions

Already Graded A




1. A hospital reports that the average length of stay for

pneumonia patients is 5.2 days with a standard deviation of

1.4 days. What is the correct interpretation?

A) Most patients stay exactly 5.2 days.

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B) The median stay is 1.4 days.

C) The typical deviation from the mean is 1.4 days.

D) 5.2 days is the mode.

Answer: C

Rationale: Standard deviation measures the average distance of

data points from the mean.

2. In a dataset of patient ages (22, 34, 45, 45, 67, 68, 70),

what is the mode?

A) 45

B) 50.1

C) 45 and 67

D) No mode

Answer: A

Rationale: Mode is the most frequent value (45 appears twice).

3. A clinic records blood pressures: 120, 125, 130, 135, 140.

The interquartile range (IQR) is:

A) 10

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B) 15

C) 20

D) 5

Answer: B

*Rationale: Q1=125, Q3=140, IQR=15.*

4. Which measure is least affected by outliers in hospital

billing data?

A) Mean

B) Range

C) Median

D) Variance

Answer: C

Rationale: Median is robust to extreme values.

5. Scenario: A researcher wants to summarize the central

tendency of skewed length of stay data. Which measure is

best?

A) Mean

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B) Median

C) Mode

D) Standard deviation

Answer: B

Rationale: Median better represents skewed distributions.

6. If variance of HbA1c levels is 0.64, standard deviation is:

A) 0.8

B) 0.64

C) 0.4

D) 0.32

Answer: A (sqrt(0.64)=0.8)

7. In a normal distribution of cholesterol levels, mean=200

mg/dL, SD=20. The coefficient of variation is:

A) 10%

B) 20%

C) 15%

D) 5%