CHDA EXAM PREP LATEST UPDATE 2025 ACTUAL
EXAM| COMPLETE ACCURATE QUESTIONS AND
VERIFIED ANSWERS/ ALREADY GRADED A+
Fifty percent of patients treated at our facilities have Medicare as their
primary payer. This is an example of what type of information?
a. Patient-specific
b. Expert knowledge
c. Comparative
d. Aggregate - ANSWER--d. Aggregate
Your chief medical officer has requested that you track patient
satisfaction over time and in a way that attempts to separate routine
variation from true underlying changes over time. The best tool to
select from the options below is a(n) _____.
a. Affinity diagram
b. Histogram
c. Statistical process control chart
d. Stem and leaf diagram - ANSWER--Statistical process control chart
A researcher would like to test the null hypothesis that the lengths of
stay at two hospitals are equal. What statistical test should the
researcher use in this situation?
a. Tukey's HSD
b. t-test for means
,CHDA EXAM PREP LATEST UPDATE 2025 ACTUAL
EXAM| COMPLETE ACCURATE QUESTIONS AND
VERIFIED ANSWERS/ ALREADY GRADED A+
c. ANOVA
d. Z-test for proportions - ANSWER--b. t-test for means
We want to compare the average weight of patients before and after a
specialty diet is administered. We expect the weight to decrease after
administration of the diet. Which of the following tests should be
conducted to determine if the average weight for each patient is less at
the conclusion of the diet?
a. Paired t-test
b. One-sample t-test
c. t-test for two independent sample means
d. Z-test for comparing two population proportions - ANSWER--a.
Paired t-test
When a data analyst develops a sample selection involving the choice
of every fourth patient from each clinic schedule for each physician
during the course of a three month period, this sampling technique
being used by the analyst is called which of the following?
a. Stratified random sampling
b. Random sampling
c. Quota sampling
d. Systematic random sampling - ANSWER--Systematic random
sampling
,CHDA EXAM PREP LATEST UPDATE 2025 ACTUAL
EXAM| COMPLETE ACCURATE QUESTIONS AND
VERIFIED ANSWERS/ ALREADY GRADED A+
The mean is an appropriate statistic to use to measure which type of
data?
a. Qualitative
b. Nominal
c. Ordinal
d. Ratio - ANSWER--ratio
If a health plan analyst wanted to determine if the readmissions rates
for two hospitals were statistically different, which hypothesis test
should be used?
a. Chi square
b. Two-sample Z-test for proportions
c. t-test
d. One-sample Z-test for proportion - ANSWER--b. Two-sample Z-test
for proportions
Which data collection program is the basis for the CMS value-based
purchasing program?
a. Leapfrog
b. HEDIS
c. Hospital Compare
, CHDA EXAM PREP LATEST UPDATE 2025 ACTUAL
EXAM| COMPLETE ACCURATE QUESTIONS AND
VERIFIED ANSWERS/ ALREADY GRADED A+
d. HCU - ANSWER--Hospital Compare
If an analyst is studying the wait times at a clinic and the only list of
patients available is hard copy, which sampling technique is the easiest
to use?
a. Simple random sampling
b. Systematic sampling
c. Cluster sampling
d. Stratified sampling - ANSWER--Systematic sampling
Which national database was created to collect information on the
legal actions (both civil and criminal) taken against licensed healthcare
providers?
a. Healthcare Integrity and Protection Data Bank
b. Medicare Protection Database
c. National Practitioner Data Bank
d. Healthcare Safety Database - ANSWER--Healthcare Integrity and
Protection Data Bank
RVUs are used as the basis of Medicare payment for which type of
provider?
EXAM| COMPLETE ACCURATE QUESTIONS AND
VERIFIED ANSWERS/ ALREADY GRADED A+
Fifty percent of patients treated at our facilities have Medicare as their
primary payer. This is an example of what type of information?
a. Patient-specific
b. Expert knowledge
c. Comparative
d. Aggregate - ANSWER--d. Aggregate
Your chief medical officer has requested that you track patient
satisfaction over time and in a way that attempts to separate routine
variation from true underlying changes over time. The best tool to
select from the options below is a(n) _____.
a. Affinity diagram
b. Histogram
c. Statistical process control chart
d. Stem and leaf diagram - ANSWER--Statistical process control chart
A researcher would like to test the null hypothesis that the lengths of
stay at two hospitals are equal. What statistical test should the
researcher use in this situation?
a. Tukey's HSD
b. t-test for means
,CHDA EXAM PREP LATEST UPDATE 2025 ACTUAL
EXAM| COMPLETE ACCURATE QUESTIONS AND
VERIFIED ANSWERS/ ALREADY GRADED A+
c. ANOVA
d. Z-test for proportions - ANSWER--b. t-test for means
We want to compare the average weight of patients before and after a
specialty diet is administered. We expect the weight to decrease after
administration of the diet. Which of the following tests should be
conducted to determine if the average weight for each patient is less at
the conclusion of the diet?
a. Paired t-test
b. One-sample t-test
c. t-test for two independent sample means
d. Z-test for comparing two population proportions - ANSWER--a.
Paired t-test
When a data analyst develops a sample selection involving the choice
of every fourth patient from each clinic schedule for each physician
during the course of a three month period, this sampling technique
being used by the analyst is called which of the following?
a. Stratified random sampling
b. Random sampling
c. Quota sampling
d. Systematic random sampling - ANSWER--Systematic random
sampling
,CHDA EXAM PREP LATEST UPDATE 2025 ACTUAL
EXAM| COMPLETE ACCURATE QUESTIONS AND
VERIFIED ANSWERS/ ALREADY GRADED A+
The mean is an appropriate statistic to use to measure which type of
data?
a. Qualitative
b. Nominal
c. Ordinal
d. Ratio - ANSWER--ratio
If a health plan analyst wanted to determine if the readmissions rates
for two hospitals were statistically different, which hypothesis test
should be used?
a. Chi square
b. Two-sample Z-test for proportions
c. t-test
d. One-sample Z-test for proportion - ANSWER--b. Two-sample Z-test
for proportions
Which data collection program is the basis for the CMS value-based
purchasing program?
a. Leapfrog
b. HEDIS
c. Hospital Compare
, CHDA EXAM PREP LATEST UPDATE 2025 ACTUAL
EXAM| COMPLETE ACCURATE QUESTIONS AND
VERIFIED ANSWERS/ ALREADY GRADED A+
d. HCU - ANSWER--Hospital Compare
If an analyst is studying the wait times at a clinic and the only list of
patients available is hard copy, which sampling technique is the easiest
to use?
a. Simple random sampling
b. Systematic sampling
c. Cluster sampling
d. Stratified sampling - ANSWER--Systematic sampling
Which national database was created to collect information on the
legal actions (both civil and criminal) taken against licensed healthcare
providers?
a. Healthcare Integrity and Protection Data Bank
b. Medicare Protection Database
c. National Practitioner Data Bank
d. Healthcare Safety Database - ANSWER--Healthcare Integrity and
Protection Data Bank
RVUs are used as the basis of Medicare payment for which type of
provider?
