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WGU C784 — Applied Healthcare Statistics
— Objective Assessment #1 (2025) | Actual
Exam & Verified Solutions
1. Box Plot - correct answer - A graphical rendering of the range
and the first and third quartiles of a data set with the data set's
median in the center.
2. Control Group - correct answer - In an experimental study, this
group does not receive treatment or receives a placebo.
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3. Venn Diagram - correct answer - A type of chart that illustrates
distinct sets, topics, or objects relate to one another. Uses
circles to represent events.
4. An intravenous drip is infused at a rate of 4.5 milliliters per
minute. How many milliliters are infused per hour?
A. .075mL
B. 2.7mL
C. 75mL
D. 270mL - correct answer - D. 270mL
5. Base Number - correct answer - The number multiplied by itself
when paired with an exponent. For example, in 8 to the third
power (8^3), 8 would be the base number.
6. Trailing Zeros - correct answer - Sequence of zeros after the
last non-zero digit in a decimal number.
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7. Equation - correct answer - Two Mathematical expressions
separated by the equals sign, =. The two expressions on either
side of the equals sign hold the same value as one another.
8. Bar Chart - correct answer - A graph that displays data that is
distributed over groups or categories.
9. Relative Frequency - correct answer - A way to approximate a
percentage by dividing the number of times an event occurred
in an experiment by the total number of trials.
10. Causal Relationship - correct answer - A relationship
between two variables that can be classified as cause-and-
effect.
11. Random Experiment - correct answer - Experiment in which
the outcome is not known ahead of time and in which results
do not affect future outcomes.
WGU C784 — Applied Healthcare Statistics
— Objective Assessment #1 (2025) | Actual
Exam & Verified Solutions
1. Box Plot - correct answer - A graphical rendering of the range
and the first and third quartiles of a data set with the data set's
median in the center.
2. Control Group - correct answer - In an experimental study, this
group does not receive treatment or receives a placebo.
, Page | 2
3. Venn Diagram - correct answer - A type of chart that illustrates
distinct sets, topics, or objects relate to one another. Uses
circles to represent events.
4. An intravenous drip is infused at a rate of 4.5 milliliters per
minute. How many milliliters are infused per hour?
A. .075mL
B. 2.7mL
C. 75mL
D. 270mL - correct answer - D. 270mL
5. Base Number - correct answer - The number multiplied by itself
when paired with an exponent. For example, in 8 to the third
power (8^3), 8 would be the base number.
6. Trailing Zeros - correct answer - Sequence of zeros after the
last non-zero digit in a decimal number.
, Page | 3
7. Equation - correct answer - Two Mathematical expressions
separated by the equals sign, =. The two expressions on either
side of the equals sign hold the same value as one another.
8. Bar Chart - correct answer - A graph that displays data that is
distributed over groups or categories.
9. Relative Frequency - correct answer - A way to approximate a
percentage by dividing the number of times an event occurred
in an experiment by the total number of trials.
10. Causal Relationship - correct answer - A relationship
between two variables that can be classified as cause-and-
effect.
11. Random Experiment - correct answer - Experiment in which
the outcome is not known ahead of time and in which results
do not affect future outcomes.
