Epic Skills Assessment Data and Chart Interpretation Questions and Answers 3

Question 1

A dual-axis chart shows hospital admissions (bars, left axis) and average length of stay (line, right axis) over 6 months.
In month 3, admissions spike but LOS drops.
What is the most likely interpretation?

Accepted Answer

More patients were admitted but discharged faster

Answer

Data entry error in month 3

Answer

Fewer staff caused longer waits

Answer

Chart is incorrectly formatted

Question 2

In a data table, a cell shows 'NULL'. What does this typically indicate in a healthcare database context?

Accepted Answer

The value is unknown or not recorded

Answer

The value is zero

Answer

The field does not exist

Answer

The data was deleted

Question 3

A report shows readmission rates: Hospital A=8.2%, Hospital B=11.5%, Hospital C=7.9%, National Average=10.1%. Which hospital performs BELOW the national average (better performance)?

Accepted Answer

Hospital A and Hospital C

Answer

Hospital B only

Answer

All three hospitals

Answer

Hospital A only

Question 4

A stacked bar chart shows payer mix: Private Insurance, Medicare, Medicaid, Self-Pay. The 'Private Insurance' segment shrinks across 4 years while 'Medicare' grows. What is the most likely implication?

Accepted Answer

The patient population is aging

Answer

Billing errors are increasing

Answer

The hospital is losing accreditation

Answer

Malpractice costs are rising

Question 5

An XY chart shows two variables with r = -0.87. What does this correlation coefficient indicate?

Accepted Answer

Strong negative correlation

Answer

Strong positive correlation

Answer

Weak negative correlation

Answer

No correlation

Question 6

A report exported from Epic shows that the same MRN appears in multiple rows with different encounter dates. What does this represent?

Accepted Answer

Multiple visits by the same patient

Answer

Duplicate patients in the system

Answer

A data corruption issue

Answer

Billing errors for a single visit