CPHQ EXAM HEALTH DATA ANALYTICS QUESTIONS WITH CORRECT ANSWERS

CPHQEXAM:HEALTHDATAANALYTICS v v v v




QUESTIONSWITH CORRECTANSWERS 2025 v v v v




In evaluating "long waiting times," a healthcare quality professional best demonstrates components rel
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ated to staffing, methods, measures, materials, and equipment utilizing
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a. A run chart v v




b. A histogram v




c. A pie chart v v




d. An Ishikawa diagram - CORRECT ANSWER -An Ishikawa (fishbone) diagram
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(An Ishikawa diagram helps analyze potential causes. A histogram shows distribution. A pie chart comp ares
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parts of a whole, and a run chart tracks data over time.)
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The relationship between patient satisfaction and hours per patient day on a medical unit was found t o be
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(r=0.60, p < 0.05). What is the correlation between these two values?
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a. 0.05

b. 0.36

c. 0.55

d. 0.60 - CORRECT ANSWER -The correlation coefficient (r) is an index that ranges from -
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1 to 1 and reflects the extent of a linear relationship between two data sets. The correlation coefficien t is
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0.60.
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An emergency department tracks wait times from patient arrival to physician assessment. Data are rep
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orted using a run chart. Which of the following demonstrates a true statistical increase in treatment de lays?
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a. 6 consecutive ascending data points
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b. 7 consecutive descending data points
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c. A zigzag pattern of 10 data points
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d. Data points close to the mean line - CORRECT ANSWER -
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A true statistical increase is indicated by 6 consecutive ascending data points (a)
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Describe "Convenience Sampling". What method of sampling is it? - CORRECT ANSWER -Non-
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probability sampling
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, Subjects are selected because they are the "easiest" or most convenient for the researcher to access
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Describe "Systematic Sampling". What method of sampling is it? - CORRECT ANSWER - Probability
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sampling
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After random selection of the first subject, draw every nth subject from the population
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Describe "Stratified Random Sampling". What method of sampling is it? - CORRECT ANSWER -
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Probability sampling
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The population is divided into groups, and each member of the group has an equal probability of bein g
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selected (ex: patients divided into groups based on age, gender, diagnosis, etc.)
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Describe "Simple Random Sampling". What method of sampling is it? - CORRECT ANSWER -
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Probability sampling
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Each person in the population has an equal chance of being selected (ex: put all names in a hat and dr aw for
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a prize)
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Define "Purposive Sampling". What method of sampling is it? - CORRECT ANSWER -
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Nonprobability sampling
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A particular group is subjectively selected based on criteria. Based on the researcher's judgement abou t
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who is representative of the population.
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Define "Expert Sampling". What method of sampling is it? - CORRECT ANSWER - Nonprobability
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sampling
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Experts in a given are are selected due to their access to information (ex: survey department managers
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about staff satisfaction)
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