CHDA EXAM 4 EXAM PREP GUIDE 2026
CORE TOPIC BREAKDOWN AND SOLVED
ITEMS
◉ What database design practice prevents the duplication of data
elements?
Answer: normalization
◉ Which of the following keywords precedes the listing of variables
to be returned from an SQL query?
Answer: SELECT
◉ Among the software programs listed below, the one best suited to
detailed statistical analysis of data is which of the following?
Answer: SPSS Statistical Package for the Social Sciences
◉ Nonparametric tests such as a Kruskal-Wallis are advantageous
compared to their parametric counterparts for which of the
following reasons?
Answer: they require fewer assumptions about the underlying data
, ◉ Which of the following is an expression of the extent of a linear
relationship between two variables?
Answer: correlation
◉ 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)
Answer: statistical process control chart
◉ 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?
Answer: Systematic random sampling
◉ chart
Answer:
◉ chart
Answer:
◉ The type of statistical techniques used to make conclusions based
on a sample are:
CORE TOPIC BREAKDOWN AND SOLVED
ITEMS
◉ What database design practice prevents the duplication of data
elements?
Answer: normalization
◉ Which of the following keywords precedes the listing of variables
to be returned from an SQL query?
Answer: SELECT
◉ Among the software programs listed below, the one best suited to
detailed statistical analysis of data is which of the following?
Answer: SPSS Statistical Package for the Social Sciences
◉ Nonparametric tests such as a Kruskal-Wallis are advantageous
compared to their parametric counterparts for which of the
following reasons?
Answer: they require fewer assumptions about the underlying data
, ◉ Which of the following is an expression of the extent of a linear
relationship between two variables?
Answer: correlation
◉ 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)
Answer: statistical process control chart
◉ 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?
Answer: Systematic random sampling
◉ chart
Answer:
◉ chart
Answer:
◉ The type of statistical techniques used to make conclusions based
on a sample are:
