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- Multiple ChoicePlease save your changes before editing any questions.What should a residual plot look like?Distinct PatternCurveRandom
- Multiple ChoicePlease save your changes before editing any questions.How do you calculate a residual?Observed - PredictedPredicted - Observed
- Multiple ChoicePlease save your changes before editing any questions.Residuals are . . .possible models not explored by the researchervariation in the response variable that is explained by the modelthe difference between the observed response and the values predicted by the modeldata collected from individuals that is not consistent with the rest of the group
- Multiple ChoicePlease save your changes before editing any questions.
Shown is a residual plot. Would a linear regression model of the data be most appropriate?YESNO - Multiple ChoicePlease save your changes before editing any questions.After performing analyses on a set of data, Mrs. Schoeneck examined the scatter plot of the residual values for each analysis. Which scatter plot indicated the best linear fit for the data?ABC
- Multiple ChoicePlease save your changes before editing any questions.Shown is a residual plot. Would a linear regression model of the data be most appropriate?YESNO
- Multiple ChoicePlease save your changes before editing any questions.Estimate the correlation coefficient.r = -0.8r = -0.5r = 0.5r = 0.8
- Multiple ChoicePlease save your changes before editing any questions.Estimate the correlation coefficient for this scatterplot.r = 1.2r = 0.89r = 0r = -0.89
- Multiple ChoicePlease save your changes before editing any questions.The correlation coefficient r is a value between0 and 10 and 100-1 and 1-2 and 2
- Multiple ChoicePlease save your changes before editing any questions.What type of correlation exists between the number of people that go to the pool and the temperature outside.positivenegativeno correlationunknown
- Multiple ChoicePlease save your changes before editing any questions.What type of correlation exists between the temperature outside and the number of hot chocolate sold at a football game.positivenegativeno correlationunknown
- Multiple ChoicePlease save your changes before editing any questions.As study time _______________, errors _______________.increases ; decreaseincreases ; increasedecreases; decreaseincreases ; stays the same
- Multiple ChoicePlease save your changes before editing any questions.If the actual y value is 10 , and the residual is 7, what is the predicted value?171073
- Multiple ChoicePlease save your changes before editing any questions.A positive residual means...that the predicted value is too bigthat the predicted value is too smallthat the x value is too bigthat the x value is too small
- Multiple ChoicePlease save your changes before editing any questions.A negative residual means...that the predicted value is too bigthat the predicted value is too smallthat the x value is too bigthat the x value is too small
- Multiple ChoicePlease save your changes before editing any questions.
Find the residual of x = 4
-1
1
3
-3
- Multiple ChoicePlease save your changes before editing any questions.What is a line of best fit used for?To make predictionsTo make the graph look prettyTo connect the points
- Multiple ChoicePlease save your changes before editing any questions.
What is the residual when x=17
0
1
-2
2
- Multiple ChoicePlease save your changes before editing any questions.
which value of x has the greatest residual?
5
2
1
3
- Multiple ChoicePlease save your changes before editing any questions.Describe the correlation in the graph shown.Strong NegativeStrong PositiveWeak NegativeWeak Positive