WGU C784 - Applied Healthcare Statistics Objective Assessment #1 questions and answers

WGU C784 - Applied Healthcare
Statistics Objective Assessment #1
questions and answers




1. Giventhe following set of numbers Ans>> 3.3,-2.3,-16,25.What are the square
gy gy gy gy gy gy gyg
y y
g y
g y
g y
g gy gy gy




roots of the whole number?
gy gy gy gy gy




A.+/- 2.3
y
g gy




B.+/- 3.3
y
g gy




C.+/- 4
y
g gy




D.+/-5
y
g gy gy




Ans>> D.+/-5 gy g
y y
g gy




2. Composite Number Ans>> A number with more factors that just one and itself.
gy gy gy g
y gy gy gy gy gy gy gy gy gy




3. Equivalent Fractions Ans>> Different fractions that represent the same value.
gy gy gyg
y gy gy gy gy gy gy




4. X-Axis Ans>> The horizontal line that passes through the origin on a coordinate plane
gy gy g
y gy gy gy gy gy gy gy gy gy gy gy




5. Qualitative Data Ans>> Non-numeric information based on some quality or
gy gy gyg
y gy gy gy gy gy gy




character- istic.
gy gy





gy gy

, 6. NoCorrelation Ans>> Thereisnoapparentoveralltrendbetweenthetwo variables.If
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y gy gy gy gy gy gy gy gy gy y
g




the correlation coefficient is 0, this only rules out a linear trend.There could be a non-
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g gy gy gy gy




linear or curvilinear trend. gy gy gy




7. Extrapolate Ans>> Using information from a data set to make predictions about gy gyg
y gy gy gy gy gy gy gy gy gy




data outside of the original set.
gy gy gy gy gy gy




8. Event Ans>> An outcome, or set of outcomes, whose chance of occurrence can be
gy gy g
y gy gy gy gy gy gy gy gy gy gy gy




represented with a probability.
gy gy gy gy




9. Giventhefollowingsetofnumbers Ans>> 10,2.5,-4,-4.5,5.Whatisthesumwhen y
g y
g y
g y
g y
g gy gyg
y y
g y
g y
g y
g y
g y
g y
g y
g y
g




adding together only the whole numbers?
gy gy gy gy gy gy




A. 5.5
B. 11
C. 12.5
D. 15 gy




Ans>> D.15 gyg
y y
g




10. Operation Ans>> InMathematics,anoperationisaprocedurewhichgeneratesa gy gy g
y y
g y
g y
g y
g y
g y
g y
g y
g y
g




new value from one or more operands, or Mathematical values.
y
g gy gy gy gy gy gy gy gy gy




11. Conditional Proportion Ans>> A proportion where one part of the proportion is gy gy gy g
y gy gy gy gy gy gy gy gy




a variable, or unknown quantity.
gy gy gy gy gy




12. Coefficients Ans>> Anumberbywhichanumberismultiplied.Thisnumberiswritten gy gy g
y gy y
g gy gy y
g y
g gy y
g gy gy gy




in front of the variable(s).
gy gy gy gy gy




13. Mean Ans>> Average,calculatedbyaddingaseriesofelementsinadatasettogether gy gyg
y y
g y
g y
g y
g y
g y
g y
g y
g y
g y
g y
g y
g




and dividing by the total number in the series.
gy gy gy gy gy gy gy gy gy




14. Outlier Ans>> Anobservationpointthatisstatisticallydistantfromtheother gy gy g
y gy gy gy gy gy gy gy gy gy




observa- tions in the dataset.
gy gy gy gy gy




15. RegressionLine Ans>> Thelineofbestfittoshowtherelationshipbetweenvariables, y
g gy gygy y
g y
g y
g y
g y
g y
g y
g y
g y
g y
g




the one that minimizes distance from each data point to the line.
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16. Experiment Ans>> Aprocedurethatcanbedonerepeatedlywhichhasawelldefined gy gyg
y y
g y
g y
g y
g y
g y
g y
g y
g y
g y
g y
g




set of outcomes.
gy gy gy





gy gy