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- 1. Multiple Choice
What type of association does this graph have?positivenegativenoneall of the above - 2. Multiple ChoiceThe following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month. Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles?A. 50 minB. 80 minC. 45 minD. 60 min
- 3. Multiple ChoiceThe scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.12 chapters15 chapters18 chapters21 chapters
- 4. Multiple ChoiceWhat type of correlation (association)?
The outside temperature and the amount of layers you wear.Positive correlationNegative correlationNo correlationAll of the above - 5. Multiple ChoiceThe number of siblings you have and your weight.Positive correlationNegative correlationNo correlationAll of the above
- 6. Multiple ChoiceBased on the graph, if Joe earned $400, how many hours did he work?25 hours35 hours45 hours15 hours
- 7. Multiple ChoiceAs x increases, y increasescorrelation coefficientcausationpositive correlationnegative correlation
- 8. Multiple ChoiceWhat is the correlation between length of running start and distance of jump?positive: the further you run the further you jumpnegative: the less you run the less distance of your jumppositive: the further your running start the less your distance
- 9. Multiple ChoiceFind the slope for the trend line using points (2,2) and (4,3)21/2-2-1/2
- 10. Multiple ChoiceA trend line that shows the most accurate relationship between x and y describes...linear regressionno correlationtrend lineline of best fit
- 11. Multiple ChoiceWhich scatter plot shows a linear relationship between x and y?Graph AGraph BGraph CGraph D
- 12. Multiple ChoiceWhat is the correlation?Negative correlationNo correlationPositive correlationAll of the above
- 13. Multiple ChoiceAs the age of the car increases, its value decreases. Which scatterplot represents this relationship?ABCD
- 14. Multiple ChoiceIf a scatterplot has no association then......it has no ordered pairs...it has ordered pairs that have a negative pattern...its ordered pairs have no predictable pattern...if it makes a lion on a graph (roar!)
- 15. Multiple ChoiceWhich choice best defines the term "linear function"?An equation that is the bomb diggityAn equation that can be written in slope-intercept formAn equation with an exponent in itAn equation that has a slope but not a y-intercept
- 16. Multiple ChoiceIn a scatterplot, an outlier......is something we didn't learn 8th grade...is a puppet with a long nose named Pinocchio...is a point that is far outside the main cluster of points/ordered pairs...is a really naughty point who doesn't tell the truth when outside
- 17. Multiple ChoiceThe scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?The more books students read, the lower their English grade.The more books students read, the higher their English grade.The fewer books students read, the higher their English grade.No relationship exists between the number of books students read and their English grades.
- 18. Multiple ChoiceWhich of the following could be a possible line of best fit for the data?y = -5/2x + 20y = -x + 19y = x + 20y = 2/3x + 15
- 19. Multiple Choice440 turtles40 turtles150 turtles90 turtles
- 20. Multiple ChoiceWhich of the following could be a possible line of best fit for the data?y = 3x + 0y = 5/6x + 490y = -2x + 470non linear
- 21. Multiple ChoiceDescribe the correlation in the graph shown.Strong NegativeStrong PositiveWeak NegativeWeak Positive
- 22. Multiple ChoiceDescribe the correlation in the graph shown.Strong NegativeStrong PositiveWeak NegativeWeak Positive
- 23. Multiple ChoiceWhat is a line of best fit used for?To make predictionsTo make the graph look prettyTo connect the pointsTo make it look like you know what you are doing
- 24. Multiple ChoiceWhat is a scatter plot?A graph that shows the relationship of two data sets.A graph drawn using rectangular bars to show how large each value is.A graph that shows information that is connected in some way.A graph that shows data changing over time.
- 25. Multiple ChoiceMrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam?65927076
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