CHDA Practice Guide Questions With Complete Correct Answers.
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Course
CHDA
Institution
CHDA
Descriptive statistics - correct answer Describes the distribution of the data; used to summarize the center and shape of the distribution of a variable of interest, i.e. Mean or median or variance or standard deviation or range
Inferential statisti...
CHDA
Descriptive statistics - correct answer Describes the distribution of the data; used to summarize the center and shape of the distribution of a variable of interest, i.e. Mean or median
or variance or standard deviation or range
Inferential statistics - correct answer Involves using a sample of a population; common inferential statistic techniques include the use of confidence intervals and hypothesis testing
Qualitative data - correct answer Describes observations about a subject; i.e. Patient is disoriented
Nominal scale data - correct answer Type of qualitative data which has discrete categories with no inferred order; i.e. Diagnosis codes or procedure codes
Ordinal scale data - correct answer Type of qualitative data which has discrete categories with a natural or inferred order; i.e. Patient satisfaction responses on a five-point scale
Interval scale data - correct answer Type of quantitative data where the distance between 2 values has meaning, but multiplying values has no meaning. The value of zero has no interpretation; i.e. Temperature
Ratio scale data - correct answer Type of quantitative data where zero has an interpretation and the values may be doubled or multiplied by a constant and still have meaning. I.e. Length of stay or age
Discrete data - correct answer Includes a finite number of values
Continuous data - correct answer Can take on fractional and whole number values
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