CHDA EXAM QUESTIONS WITH VERIFIED ANSWERS
(GRADED A+)
An analyst wishes to test the hypothesis that the wait time in the ED is longer on weekends than
weekdays. What is the alternative hypothesis?
The average wait time is longer on weekends.
You are preparing a budget presentation to the board. They have asked for a presentation on the
percentage of salary budget spent on temp salary, hourly employees, and salary employees. What
graph would be most appropriate to convey this data?
Bar Graph
Histogram
Line Graph
Pie Chart
Pie Chart
In comparing mortality rates between hospitals, it is important to also consider the...
Severity of illness
An analyst has been asked to work on the development of a home health strategic plan. Which of the
following data sets would be most helpful in developing this analysis?
UACDS
OASIS
CDA
DEEDS
UACDS-Uniform Ambulatory Care Data Set
Your facility is engaged in a research project concerning patients newly diagnosed with type II
diabetes. The researchers noticed that older patients have a longer LOS than younger patients. They
have seen a...
Positive correlation between age and LOS
Negative correlation between age and LOS
Causal relationship between age and LOS
Homologous relationship between age and LOS
Positive correlation between age and LOS
Under what circumstances is it acceptable to use a non-probability sample for an audit?
When the variable of interest is rare
When a large probe sample was previously selected
When the variable of interest is readily observable
When not generalizing to the population
, When not generalizing to the population
In analyzing the reason for changes in a hospital's Medicare case-mix index overtime, the analyst
extract data from the information warehouse at which level of detail?
Discharge level
MS-DRG level
MDC level
MS-DRG triples, pairs, and singles
Discharge level
The facility's Medicare case-mix index has dropped, although other statistical measures appear
constant. The CFO suspects coding errors. What type of coding quality review should be performed?
Random Audit
Focused Audit
Compliance Audit
External Audit
Focused Audit
This type of data display tool is used to illustrate frequency distributions of continuous variables, such
as age or LOS...
Histogram
The ICD coding system was originally designed to be a...
Disease tracking system
Patient payments and charges are likely to be found in a...
Patient accounting database
Which graph is the best choice to use when exploring the relationship between LOS and charges for a
set of patients?
Line graph
Bar chart
Pie chart
Scatter diagram
Scatter diagram
Which of the following situations might result in a compliance audit...
Low CMI
High CC/MCC capture rate
(GRADED A+)
An analyst wishes to test the hypothesis that the wait time in the ED is longer on weekends than
weekdays. What is the alternative hypothesis?
The average wait time is longer on weekends.
You are preparing a budget presentation to the board. They have asked for a presentation on the
percentage of salary budget spent on temp salary, hourly employees, and salary employees. What
graph would be most appropriate to convey this data?
Bar Graph
Histogram
Line Graph
Pie Chart
Pie Chart
In comparing mortality rates between hospitals, it is important to also consider the...
Severity of illness
An analyst has been asked to work on the development of a home health strategic plan. Which of the
following data sets would be most helpful in developing this analysis?
UACDS
OASIS
CDA
DEEDS
UACDS-Uniform Ambulatory Care Data Set
Your facility is engaged in a research project concerning patients newly diagnosed with type II
diabetes. The researchers noticed that older patients have a longer LOS than younger patients. They
have seen a...
Positive correlation between age and LOS
Negative correlation between age and LOS
Causal relationship between age and LOS
Homologous relationship between age and LOS
Positive correlation between age and LOS
Under what circumstances is it acceptable to use a non-probability sample for an audit?
When the variable of interest is rare
When a large probe sample was previously selected
When the variable of interest is readily observable
When not generalizing to the population
, When not generalizing to the population
In analyzing the reason for changes in a hospital's Medicare case-mix index overtime, the analyst
extract data from the information warehouse at which level of detail?
Discharge level
MS-DRG level
MDC level
MS-DRG triples, pairs, and singles
Discharge level
The facility's Medicare case-mix index has dropped, although other statistical measures appear
constant. The CFO suspects coding errors. What type of coding quality review should be performed?
Random Audit
Focused Audit
Compliance Audit
External Audit
Focused Audit
This type of data display tool is used to illustrate frequency distributions of continuous variables, such
as age or LOS...
Histogram
The ICD coding system was originally designed to be a...
Disease tracking system
Patient payments and charges are likely to be found in a...
Patient accounting database
Which graph is the best choice to use when exploring the relationship between LOS and charges for a
set of patients?
Line graph
Bar chart
Pie chart
Scatter diagram
Scatter diagram
Which of the following situations might result in a compliance audit...
Low CMI
High CC/MCC capture rate
