DOMAIN 3: DATA ANALYTICS AND USE
STUDY GUIDE WITH QUESTIONS AD 5
CORRECT ASWERS| VERIFIED BY
EXPERT| 2025 NEW UPDATE.
Data found on sites such as Hospital Compare use aggregated data to describe the experiences of
unique types of patients with one or more aspects of their care. This data collection is called: -
ANSWER ✔✔ Comparitive
Which of the following is the first step in analyzing data? - ANSWER ✔✔ Know your objectives
or purpose of the data analysis
Which events must occur in order to maintain patient identity data integrity? - ANSWER ✔✔
The data must be accurately queried.
In this experimental study, blood pressure is taken before and after an experimental medication is
used as the intervention in a sample of participants that were previously unable to control their
blood pressure with other medications. In this example, the independent variable is the ________
and the dependent variable is the________. - ANSWER ✔✔ Experimental medication; blood
pressure
The following data fields comprise a database table: patient last name, patient first name, street
address, city, state, zip code, patient date of birth. Given this information, which of the following
is a true statement about maintaining the data integrity of the database table? - ANSWER ✔✔
None of the data fields are adequate to use a primary key for the table
This type of chart plots all data points as a cell for two given variables of interest and, depending
on frequency of observations in each cell, provides color to visualize high or low frequency. -
ANSWER ✔✔ Heatmap
Which of the following best represents the definition of the term data? - ANSWER ✔✔ Patients
laboratory value is 50
David works for an organization that utilizes health record data to prove or disprove the efficacy
of a healthcare treatment. What type of organization does David work for? - ANSWER ✔✔
Research
Why is the MEDPAR file limited in terms of being used for research purposes? - ANSWER ✔✔
It only contains Medicare patients
Based on the payment percentages provided in this table, which payer contributes most to the
hospital's overall payments? - ANSWER ✔✔ Medicare
, The hospital's Performance Improvement Council has compiled the following data on the
volume of procedures performed. Given this data, which procedures should the council scrutinize
in evaluating performance? - ANSWER ✔✔ Procedures 1, 4, 6, 7
What format problem is in the following table? - ANSWER ✔✔ Column headings are missing
Community Hospital had 250 patients in the hospital at midnight on May 1. The hospital
admitted 30 patients on May 2. The hospital discharged 40 patients, including deaths, on May 2.
Two patients were both admitted and discharged on May 2. What was the total number of
inpatient service days for May 2? - ANSWER ✔✔ 242
Which of the following is true about a primary key in a database table? - ANSWER ✔✔
Uniquely identifies each row in a table
Secondary data is used for multiple reasons including: - ANSWER ✔✔ Assisting researchers in
determining effectiveness of treatments
What number is assigned to a case when it is first entered in a cancer registry? - ANSWER ✔✔
Accession number
Which tool is used to display performance data over time? - ANSWER ✔✔ Run chart
Suppose that you want to display the number of deaths due to breast cancer for the years 2005
through 2015. What is the best graphic technique to use? - ANSWER ✔✔ Line graph
Community Hospital had a total of 3,000 inpatient service days for the month of September.
What was the average daily census for the hospital during September? - ANSWER ✔✔ 100
patients
For research purposes, an advantage of the Healthcare Cost and Utilization Project (HCUP) is
that it: - ANSWER ✔✔ Contains data on all payer types
Given the numbers 47, 20, 11, 33, 30, 30, 35, and 50, what is the median? - ANSWER ✔✔ 31.5
A coding supervisor wants to use a fixed percentage random sample of work output to determine
coding quality for each coder. Given the work output for each of the four coders shown here,
how many total records will be needed for the audit if a 5 percent random sample is used? -
ANSWER ✔✔ 82
To use a data element for aggregation and reporting, that data element must be: - ANSWER ✔✔
Abstracted or indexed
STUDY GUIDE WITH QUESTIONS AD 5
CORRECT ASWERS| VERIFIED BY
EXPERT| 2025 NEW UPDATE.
Data found on sites such as Hospital Compare use aggregated data to describe the experiences of
unique types of patients with one or more aspects of their care. This data collection is called: -
ANSWER ✔✔ Comparitive
Which of the following is the first step in analyzing data? - ANSWER ✔✔ Know your objectives
or purpose of the data analysis
Which events must occur in order to maintain patient identity data integrity? - ANSWER ✔✔
The data must be accurately queried.
In this experimental study, blood pressure is taken before and after an experimental medication is
used as the intervention in a sample of participants that were previously unable to control their
blood pressure with other medications. In this example, the independent variable is the ________
and the dependent variable is the________. - ANSWER ✔✔ Experimental medication; blood
pressure
The following data fields comprise a database table: patient last name, patient first name, street
address, city, state, zip code, patient date of birth. Given this information, which of the following
is a true statement about maintaining the data integrity of the database table? - ANSWER ✔✔
None of the data fields are adequate to use a primary key for the table
This type of chart plots all data points as a cell for two given variables of interest and, depending
on frequency of observations in each cell, provides color to visualize high or low frequency. -
ANSWER ✔✔ Heatmap
Which of the following best represents the definition of the term data? - ANSWER ✔✔ Patients
laboratory value is 50
David works for an organization that utilizes health record data to prove or disprove the efficacy
of a healthcare treatment. What type of organization does David work for? - ANSWER ✔✔
Research
Why is the MEDPAR file limited in terms of being used for research purposes? - ANSWER ✔✔
It only contains Medicare patients
Based on the payment percentages provided in this table, which payer contributes most to the
hospital's overall payments? - ANSWER ✔✔ Medicare
, The hospital's Performance Improvement Council has compiled the following data on the
volume of procedures performed. Given this data, which procedures should the council scrutinize
in evaluating performance? - ANSWER ✔✔ Procedures 1, 4, 6, 7
What format problem is in the following table? - ANSWER ✔✔ Column headings are missing
Community Hospital had 250 patients in the hospital at midnight on May 1. The hospital
admitted 30 patients on May 2. The hospital discharged 40 patients, including deaths, on May 2.
Two patients were both admitted and discharged on May 2. What was the total number of
inpatient service days for May 2? - ANSWER ✔✔ 242
Which of the following is true about a primary key in a database table? - ANSWER ✔✔
Uniquely identifies each row in a table
Secondary data is used for multiple reasons including: - ANSWER ✔✔ Assisting researchers in
determining effectiveness of treatments
What number is assigned to a case when it is first entered in a cancer registry? - ANSWER ✔✔
Accession number
Which tool is used to display performance data over time? - ANSWER ✔✔ Run chart
Suppose that you want to display the number of deaths due to breast cancer for the years 2005
through 2015. What is the best graphic technique to use? - ANSWER ✔✔ Line graph
Community Hospital had a total of 3,000 inpatient service days for the month of September.
What was the average daily census for the hospital during September? - ANSWER ✔✔ 100
patients
For research purposes, an advantage of the Healthcare Cost and Utilization Project (HCUP) is
that it: - ANSWER ✔✔ Contains data on all payer types
Given the numbers 47, 20, 11, 33, 30, 30, 35, and 50, what is the median? - ANSWER ✔✔ 31.5
A coding supervisor wants to use a fixed percentage random sample of work output to determine
coding quality for each coder. Given the work output for each of the four coders shown here,
how many total records will be needed for the audit if a 5 percent random sample is used? -
ANSWER ✔✔ 82
To use a data element for aggregation and reporting, that data element must be: - ANSWER ✔✔
Abstracted or indexed
