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WGU C784 - APPLIED HEALTHCARE STATISTICS OBJECTIVE ASSESSMENT #1 WITH VERIFIED
WGU C784 - APPLIED HEALTHCARE STATISTICS OBJECTIVE ASSESSMENT #1 WITH VERIFIED
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WGU C784 - APPLIED HEALTHCARE STATISTICS OBJECTIVE ASSESSMENT #1 WITHVERIFIED SOLUTIONS
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
D. +/- 5 - Correct Answer - D. +/- 5
Composite Number - Correct Answer - A number with more factors that just one and
itself.
Equivalent Fractions - Correct Answer - Different fractions that represent the same
value.
X-Axis - Correct Answer - The horizontal line that passes through the origin on a
coordinate plane.
Qualitative Data - Correct Answer - Non-numeric information based on some quality or
characteristic.
No Correlation - Correct 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 - Correct Answer - Using information from a data set to make predictions
about data outside of the original set.
Event - Correct Answer - An outcome, or set of outcomes, whose chance of occurrence
can be represented with a probability.
Given the following set of numbers: 10, 2.5, -4, -4.5, 5. What is the sum when adding
together only the whole numbers?
A. 5.5
B. 11
C. 12.5
D. 15 - Correct Answer - D. 15
Operation - Correct Answer - In Mathematics, an operation is a procedure which
generates a new value from one or more operands, or Mathematical values.
Conditional Proportion - Correct Answer - A proportion where one part of the proportion
is a variable, or unknown quantity.
Coefficients - Correct Answer - A number by which a number is multiplied. This number
is written in front of the variable(s).
Mean - Correct Answer - Average, calculated by adding a series of elements in a data
set together and dividing by the total number in the series.
Outlier - Correct Answer - An observation point that is statistically distant from the other
observations in the dataset.
Regression Line - Correct 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 - Correct 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 - Correct Answer - C. 67
Multi-Step Expression - Correct Answer - An expression or equation with more than two
values and two or more operators that requires multiple steps to be solved.
Improper Fraction - Correct Answer - A fraction where the number in the numerator is
more than the number in the denominator.
Y-Intercept - Correct Answer - The y-value of the point at which a line intersects with
the y-axis.
Check Sheet - Correct 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 - Correct Answer - An expression or equation of degree 1.
Least Squares - Correct Answer - A technique for finding the regression line.
Sample Size - Correct Answer - The number of different outcomes for an experiment.
Given the following expression: 5 x (30 - 27)2 + 4. What is the correct answer using the
proper order of operations?
A. 34
B. 49
C. 65
D. 81 - Correct Answer - B. 49
Exponents - Correct Answer - Sometimes called a power, it is a quantity that
represents repeated multiplication.
Least Common Multiple (LCM) - Correct Answer - The smallest number in value that is
a multiple of two or more numbers.
Order of Operations - Correct Answer - A set of rules that defines the order in which
Mathematical operations should be performed.
Numerical Summary - Correct Answer - A number used to describe a specific
characteristic about a data set.
Joint Frequencies - Correct Answer - The frequency counts in each cell of the table.
Linear Extrapolation - Correct Answer - Estimation using the linear regression equation
is made outside known data points.
Fair - Correct Answer - An experiment in which all outcomes are equally likely.
What is the greatest common factor of 132 and the square root of 121 using prime
factorization?
A. 1
B. 2
C. 10
D. 11 - Correct Answer - D. 11
Continuous - Correct Answer - A collection of numbers whose values are not dividable
into distinct values.
Proper Fraction - Correct Answer - A fraction where the number in the numerator is
less than the number in the denominator.
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