C784 Applied Healthcare Statistics 2024-2025 WGU
C784 OA Study Guide Review with Questions and
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,C784-Applied Healthcare Statistics WGU C784 Exam Review Questions and
Answers
1. Rational number Numbers that can be expressed as a fraction
(aka 'fractional')
2. Integers Solid positive and negative numbers
3. Real Numbers A real number is any number that can be
placed
on the number line, whether that be negative
or positive, fraction or decimal.
4. True or False? Any This statement is false. An integer can be
in- teger is also a negative, such as the number 100-100.100-
whole number. 100 is not a whol number.
5. Read all the op- d. all of the above. 17-17 is an integer, and
tions before all in- tegers are also rational numbers,
answer- which in turn are real numbers.
ing. 17-17 is... (a. an
integer b. a rational
number c. a real num-
ber d. all of the
above.)
6. set In mathematics, a collection of numbers is
referred to as a set*
7. Interval An interval is a set of numbers between two
speci- fied values. An interval can be
visualized as a seg- ment of the number line.
The segment of the number line above that
falls between 11 and 22 is called an
interval*.
8. Discrete data Can only have certain, distinct values
Is "counted"
Contains unconnected points
In mathematics, whole numbers, integers,
and even integers are all examples of
discrete sets. These sets contain
unconnected elements, with gaps be- tween
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each value.
In statistics, some data sets will be discrete.
Exam- ples of discrete data sets are the
number of adults in a household, the results
of rolling two dice, and number of machines
in operation, as these are dis-
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