CHDA CLASS 1 EXAM UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS
Question:
1. The variable that may cause the change in a second variable is called the _____________ variable.
Answer:
? Independent
Question:
2. The descriptive statistic most often used with nominal and ordinal data is:
Confidence interval Z-test Frequency distribution Median
Answer:
?? Frequency Distribution
Question:
3. A report that displays key performance indicators for use by top executives is called a:
Data table Dashboard Operations report Custom report
Answer:
? Dashboard
Question:
4. Under the OPPS payment system, the payment is based primarily on:
DRG assignment The charge for the procedure the weight of the APCs The age of the patient
Answer:
?? the weight of the APCs
Question:
5. The mean is an appropriate statistic to use to measure which type of data?
Ordinal Nominal Ratio Qualitative
Answer:
? ratio
Question:
6. Average length of stay is an example of a:
Inferential statistic Descriptive statistic Undefined data element Unreliable data element
Answer:
? Descriptive statistic
Question:
7. The maximum percentage of payment that can be returned to a hospital under the CMS HVBP program
in 2017 and later years is ________.
Answer:
2.0%
, Question:
8. In which of the following measures of central tendency do one-half of the observations fall above and
one-half of the observations fall below?
Mean Mode Median Geometric mean
Answer:
Median
Question:
9. The acronym CMI is defined to be:
Claim with multiple images Case mix index Case monitoring implementation Claims management
indicators
Answer:
Case mix index
Question:
10. The ICD coding system was originally designed to be a:
Identifier for high resource cases Method for tracking population movement Disease tracking system Data
element to drive payment
Answer:
? Disease tracking system
Question:
11. A study was conducted to determine if students remembered more medical terms from an online or
in-person course. The average number of terms recalled by a sample of 10 students in the in-person course
was 75 with a standard deviation of 2.0. The average number of terms recalled by a sample of 10 students
in the online course was 50 with a standard deviation of 3.5. If the value of the test statistic is 2.5 and alpha
was set to 5 percent, what would be the conclusion of the test?
Reject the null hypothesis and conclude that the in-person students retained more terms Reject the null
hypothesis and conclude that the online students retained more terms Do not reject the null hypothesis and
conclude that the online students retained more terms Accept the null hypothesis that the two populations
of students retain equal number of terms
Answer:
? Reject the null hypothesis and conclude that the in-person students retained more terms
Question:
12. Which of the following coding systems is not used to characterize procedures performed on a patient?
ICD-10-PCS HCPCS ICD-10-CM CPT
Answer:
ICD-10-CM
Question:
13. A data collection program that is administered by AHRQ is:
HEDIS Leapfrog HCUP Hospital Compare
Answer:
? HCUP
AND CORRECT ANSWERS
Question:
1. The variable that may cause the change in a second variable is called the _____________ variable.
Answer:
? Independent
Question:
2. The descriptive statistic most often used with nominal and ordinal data is:
Confidence interval Z-test Frequency distribution Median
Answer:
?? Frequency Distribution
Question:
3. A report that displays key performance indicators for use by top executives is called a:
Data table Dashboard Operations report Custom report
Answer:
? Dashboard
Question:
4. Under the OPPS payment system, the payment is based primarily on:
DRG assignment The charge for the procedure the weight of the APCs The age of the patient
Answer:
?? the weight of the APCs
Question:
5. The mean is an appropriate statistic to use to measure which type of data?
Ordinal Nominal Ratio Qualitative
Answer:
? ratio
Question:
6. Average length of stay is an example of a:
Inferential statistic Descriptive statistic Undefined data element Unreliable data element
Answer:
? Descriptive statistic
Question:
7. The maximum percentage of payment that can be returned to a hospital under the CMS HVBP program
in 2017 and later years is ________.
Answer:
2.0%
, Question:
8. In which of the following measures of central tendency do one-half of the observations fall above and
one-half of the observations fall below?
Mean Mode Median Geometric mean
Answer:
Median
Question:
9. The acronym CMI is defined to be:
Claim with multiple images Case mix index Case monitoring implementation Claims management
indicators
Answer:
Case mix index
Question:
10. The ICD coding system was originally designed to be a:
Identifier for high resource cases Method for tracking population movement Disease tracking system Data
element to drive payment
Answer:
? Disease tracking system
Question:
11. A study was conducted to determine if students remembered more medical terms from an online or
in-person course. The average number of terms recalled by a sample of 10 students in the in-person course
was 75 with a standard deviation of 2.0. The average number of terms recalled by a sample of 10 students
in the online course was 50 with a standard deviation of 3.5. If the value of the test statistic is 2.5 and alpha
was set to 5 percent, what would be the conclusion of the test?
Reject the null hypothesis and conclude that the in-person students retained more terms Reject the null
hypothesis and conclude that the online students retained more terms Do not reject the null hypothesis and
conclude that the online students retained more terms Accept the null hypothesis that the two populations
of students retain equal number of terms
Answer:
? Reject the null hypothesis and conclude that the in-person students retained more terms
Question:
12. Which of the following coding systems is not used to characterize procedures performed on a patient?
ICD-10-PCS HCPCS ICD-10-CM CPT
Answer:
ICD-10-CM
Question:
13. A data collection program that is administered by AHRQ is:
HEDIS Leapfrog HCUP Hospital Compare
Answer:
? HCUP
