Data and Chart Interpretation Questions and Answers Flashcards
6 cards from real Epic Skills Assessment practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Data and Chart Interpretation Questions and Answers flashcards as text
A bar chart shows monthly ER visits: Jan=120, Feb=95, Mar=110, Apr=130. What is the average monthly ER visit count?
Answer: 113.75
Average = (120+95+110+130)/4 = 455/4 = 113.75.
A pie chart shows hospital department revenue: Surgery 40%, Radiology 25%, ER 20%, Other 15%. If total revenue is $2M, how much did Radiology earn?
Answer: $500,000
Radiology = 25% of $2,000,000 = $500,000.
A line graph shows patient satisfaction scores over 5 quarters: 72, 75, 78, 74, 80. What is the trend?
Answer: Generally increasing with a dip in Q4
Scores rise from 72 to 78 (Q1–Q3), dip to 74 (Q4), then reach a new high of 80 (Q5), showing general upward trend with one dip.
A scatter plot of patient age (x-axis) vs. length of stay (y-axis) shows points clustering upward to the right. What does this indicate?
Answer: Positive correlation
Points moving up and to the right indicate a positive correlation — as age increases, length of stay tends to increase.
A table shows medication error rates by shift: Day 0.5%, Evening 0.8%, Night 1.2%. Which shift has the highest error rate and by how much more than the Day shift?
Answer: Night; 0.7%
Night has the highest rate (1.2%). Difference from Day: 1.2% - 0.5% = 0.7%.
A histogram shows patient wait times: 0–10 min: 40 patients; 10–20 min: 60; 20–30 min: 35; 30+ min: 15. What percentage waited under 20 minutes?
Answer: 66.7%
Under 20 min = 40+60=100. Total = 40+60+35+15=150. Percentage = 100/150 = 66.7%.