RHIT Healthcare Statistics and Analytics 2

Question 1

A hospital reports a case fatality rate of 2.5% for a particular disease. What does this rate measure?

Accepted Answer

The proportion of diagnosed cases that result in death

Answer

The probability of contracting the disease in a given year

Answer

The number of deaths per 100,000 population

Answer

The percentage of autopsies performed on disease victims

Question 2

Which statistical measure is most appropriate when data is highly skewed and contains significant outliers?

Accepted Answer

Median

Answer

Mean

Answer

Mode

Answer

Range

Question 3

A health information manager calculates a hospital's net autopsy rate. Which deaths are EXCLUDED from the denominator?

Accepted Answer

Deaths where the bodies were removed before an autopsy could be performed

Answer

Deaths of patients who were hospitalized less than 24 hours

Answer

Deaths occurring in the emergency department

Answer

Deaths of patients over age 65

Question 4

In a frequency distribution, what does a bimodal distribution indicate?

Accepted Answer

The data has two distinct peaks or clusters

Answer

The data is perfectly symmetrical around the mean

Answer

The data contains no outliers

Answer

The mean and median are equal

Question 5

What is the purpose of risk adjustment in healthcare outcome reporting?

Accepted Answer

To allow fair comparison of outcomes across facilities with different patient populations

Answer

To eliminate all patient-related variables from the dataset

Answer

To increase reimbursement rates for high-risk patients

Answer

To reduce the number of variables tracked in a clinical study

Question 6

A hospital's average daily census is calculated by dividing the total inpatient service days by:

Accepted Answer

The number of calendar days in the period

Answer

The number of admissions during the period

Answer

The number of staffed beds available

Answer

The number of discharges during the period

Question 7

Which data visualization type is BEST suited for showing the relationship between two continuous variables?

Accepted Answer

Scatter plot

Answer

Bar chart

Answer

Pie chart

Answer

Histogram