(Western Governors University) – Objective
Assessment Study Material and Practice Q&A
Introduction:
This document provides a comprehensive collection of
definitions, formulas, solved examples, and practice questions
aligned with the WGU C784 Applied Healthcare Statistics
Objective Assessment. It covers foundational math skills,
statistical terminology, probability concepts, data
visualizations, and regression basics. The material also
includes worked multiple-choice questions with correct
answers and explanations to support full exam preparation. It
serves as a complete and structured study resource for
students preparing for the C784 assessment.
Exam Questions and Answers:
Conditional Proportion -Answer:-A proportion where one part
of the proportion is a variable, or unknown quantity.
Coefficients -Answer:-A number by which a number is
multiplied. This number is written in front of the variable(s).
,Mean -Answer:-Average, calculated by adding a series of
elements in a data set together and dividing by the total
number in the series.
Outlier -Answer:-An observation point that is statistically
distant from the other observations in the dataset.
Regression Line -Answer:-The line of best fit to show the
relationship between variables, the one that minimizes
distance from each data point to the line.
Experiment -Answer:-A procedure that can be done repeatedly
which has a well defined set of outcomes.
Given the following expression: 4 + 7 × (6 - 3)2. What is the
answer using proper order of operations?
A. 25
B. 46
C. 67
D. 99 -Answer:-C. 67
, Multi-Step Expression -Answer:-An expression or equation
with more than two values and two or more operators that
requires multiple steps to be solved.
Improper Fraction -Answer:-A fraction where the number in
the numerator is more than the number in the denominator.
Y-Intercept -Answer:-The y-value of the point at which a line
intersects with the y-axis.
Check Sheet -Answer:-A structured form or table that allows
data to be collected by marking how often an event has
occurred in an certain interval.
Linear -Answer:-An expression or equation of degree 1.
Least Squares -Answer:-A technique for finding the regression
line.
Sample Size -Answer:-The number of different outcomes for an
experiment.