Epic Skills Assessment Quantitative Reasoning & Math 4

Question 1

A ratio table shows that for every 3 registered nurses, there are 2 licensed practical nurses. If there are 18 registered nurses, how many LPNs are there?

Accepted Answer

12

Answer

If 3 RNs → 2 LPNs, then 18 RNs → (18 ÷ 3) × 2 = 12 LPNs.

Question 2

A pie chart shows that 40% of hospital costs are staffing, 25% supplies, 20% facilities, and 15% administration. If the total budget is $800,000, how much is spent on supplies?

Accepted Answer

$200,000

Answer

25% × $800,000 = $200,000.

Question 3

An IV drip delivers 500 mL over 4 hours. At what rate, in mL per minute, is the fluid delivered?

Accepted Answer

2.1 mL/min

Answer

500 mL ÷ (4 × 60 min) = 500 ÷ 240 ≈ 2.08 ≈ 2.1 mL/min.

Question 4

A dataset of patient ages has a mean of 45, a median of 42, and a mode of 38. Which measure of central tendency is most affected by extreme (outlier) values?

Accepted Answer

Mean

Answer

The mean is most sensitive to outliers because it uses every value in its calculation.

Question 5

A department's headcount grew from 24 to 30 employees in one year. What is the percentage increase?

Accepted Answer

25%

Answer

(30 − 24) ÷ 24 × 100 = 6 ÷ 24 × 100 = 25%.

Epic Skills Assessment Practice Test

Epic Skills Assessment Practice Test

Epic Skills Assessment Quantitative Reasoning & Math 4