WGU 784 OA EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS
Division Principle of Equality - ANSWER--If both sides of the equation
are divided by the same non-zero number, the result is an equivalent
equation.
Symmetry - ANSWER--The quality of the data having the same shape on
both sides of the mean.
Contingency Table - ANSWER--A table that contains frequency counts
for two categorical variables. Also see Two-Way Frequency Table.
Correlation - ANSWER--An observed relationship between two
quantitative variables. While this is most commonly a linear
relationship, it does not need to be. Not that observing a relationship
does NOT imply that there is a meaningful causal link between the
variables.
Sample - ANSWER--The small quantity of data gathered about a
population that will represent the population as a whole.
What is the Fahrenheit equivalent for a patient's room that needs to be
kept at 25 degrees Celsius?
A. 70°
B. 75°
,WGU C784 OBJECTIVE ASSESSMENT LATEST 20232024 /
WGU 784 OA EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS
C. 77°
D. 80° - ANSWER--C. 77°
Multiplicative Inverse - ANSWER--The multiplicative inverse of a
number x is the number you must multiply x by to get 1. For example, 5
and 1/5 are multiplicative inverses.
Terminal Decimal - ANSWER--A decimal number that has a finite
number of digits.
Slope-Intercept Form - ANSWER--A common format that a linear
equation can take that is helpful for graphing purposes. It is of the form
y = mx + b, where m is the slope of the line and b is the y-intercept.
Given the following set of numbers: 3.3, -2.3, -16, 25. What are the
square roots of the whole number?
A. +/- 2.3
B. +/- 3.3
C. +/- 4
, WGU C784 OBJECTIVE ASSESSMENT LATEST 20232024 /
WGU 784 OA EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS
D. +/- 5 - ANSWER--D. +/- 5
Composite Number - ANSWER--A number with more factors that just
one and itself.
Equivalent Fractions - ANSWER--Different fractions that represent the
same value.
X-Axis - ANSWER--The horizontal line that passes through the origin on
a coordinate plane.
Qualitative Data - ANSWER--Non-numeric information based on some
quality or characteristic.
No Correlation - ANSWER--There is no apparent overall trend between
the two variables. If the correlation coefficient is 0, this only rules out a
linear trend. There could be a non-linear or curvilinear trend.
Extrapolate - ANSWER--Using information from a data set to make
predictions about data outside of the original set.
Event - ANSWER--An outcome, or set of outcomes, whose chance of
occurrence can be represented with a probability.