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
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roots of the whole number?
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A.+/- 2.3
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B.+/- 3.3
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C.+/- 4
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D.+/- 5
zm zm zm




Ans>> D.+/- 5 z mzm zm zm




2. Composite Number Ans>> A number with more factors that just one and itself.
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3. Equivalent Fractions Ans>> Different fractions that represent the same value.
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4. X-Axis Ans>> The horizontal line that passes through the origin on a coordinate plane
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5. Qualitative Data Ans>> Non-numeric information based on some quality or
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character- istic.
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, 6. No Correlation Ans>> There is no apparentoverall trend between the two variables.If
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the correlation coefficient is 0, this only rules out a linear trend.There could be a non-
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linear or curvilinear trend. zm zm zm




7. Extrapolate Ans>> Using information from a data set to make predictions about zm zmzm zm zm zm zm zm zm zm zm zm




data outside of the original set.
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8. Event Ans>> An outcome, or set of outcomes, whose chance of occurrence can
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be represented with a probability.
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9. Giventhefollowingsetofnumbers Ans>> 10,2.5,-4,-4.5,5.Whatisthesumwhen
zm zm zm zm zm zm z mzm zm zm zm zm zm zm zm zm zm




adding together only the whole numbers?
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A. 5.5
B. 11
C. 12.5
D. 15 zm




Ans>> D.15 zmzm zm




10. Operation Ans>> InMathematics,anoperationisaprocedurewhichgeneratesa zm zmzm zm zm zm zm zm zm zm zm zm




new value from one or more operands, or Mathematical values.
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11. Conditional Proportion Ans>> A proportion where one part of the proportion is zm zm z mzm zm zm zm zm zm zm zm zm




a variable, or unknown quantity.
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12. Coefficients Ans>> A number bywhich anumber ismultiplied.Thisnumber is zm zmzm zm zm zm zm zm zm zm zm zm zm




written in front of the variable(s).
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13. Mean Ans>> Average,calculatedbyaddingaseriesofelementsinadatasettogether zm zmzm zm zm zm zm zm zm zm zm zm zm zm zm




and dividing by the total number in the series.
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14. Outlier Ans>> An observation pointthat is statistically distantfrom the other zm zmzm zm zm zm zm zm zm zm zm zm




observa- tions in the dataset.
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15. RegressionLine Ans>> Thelineofbestfittoshowtherelationshipbetweenvariables, zm zm zmzm zm zm zm zm zm zm zm zm zm zm




the one that minimizes distance from each data point to the line.
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16. Experiment Ans>> Aprocedurethatcanbedonerepeatedlywhichhasawelldefined zm zmzm zm zm zm zm zm zm zm zm zm zm zm




set of outcomes.
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