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- 1. Multiple Choice
Describe the correlation in the graph shown.Strong NegativeStrong PositiveWeak NegativeWeak Positive - 2. Multiple ChoiceDescribe the correlation in the graph shown.Strong NegativeStrong PositiveWeak NegativeNo Correlation
- 3. Multiple ChoiceDescribe the correlation in the graph shown.Strong NegativeStrong PositiveWeak NegativeWeak Positive
- 4. Multiple ChoiceA correlation shows that two things arerelatedcausing each otherunrelatedbest friends
- 5. Multiple ChoiceWhat type of correlation does this graph have?positivenegativenoneall of the above
- 6. Multiple ChoiceWhat type of correlation does this graph have?positivenegativenonecurved
- 7. Multiple ChoiceWhat type of correlation does this graph show?Positivenegativenonecurved
- 8. Multiple ChoiceYou are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?As x increases, y decreasesAs x increases, y increasesAs x decreases, y decreases
- 9. Multiple Choice1. Mrs. 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
- 10. Multiple ChoiceWhat type of correlation describes the following sentence:
The temperature outside and the number of hot chocolate sold at a football game.postivenegativenoIs Logan talking? - 11. Multiple ChoiceWhat type of correlation describes the following sentence:
The number of people that go the pool and the temperature outside.positivenegativenoIs Macey being mean? - 12. Multiple ChoiceWhat would the correlation be between math grades and the time it takes to run a mile ?Postive CorrelationNegative CorrelationNo CorrelationCannot Be Determined
- 13. Multiple ChoiceWhat type of correlation (association)?
The outside temperature and the amount of layers you wear.Positive correlationNegative correlationNo correlation - 14. Multiple ChoiceInterpret the slope of the Least Squares Line Equation.Income increases by 31.45 with each additional hour worked.Income increases by 31.45As hours increases by one, income will increase by 31.45, on averageAs hours increases by one, income will increase by 31.45
- 15. Multiple ChoiceDetermine the predicted income if 22 hours were worked on an assembly job.$207.30$449.60$691.90$543.30
- 16. Multiple ChoiceWhat would the correlation between elevation and temperature be?nonecannot be determinedpositive correlationnegative correlation
- 17. Multiple ChoiceWhich is the best description of the y - intercept for the linear regression equation of the rats: weight^ = 100 + 40(time)?The y-intercept is 100 which means the rat is predicted to weigh about 100 grams at birth.The y-intercept is about 100, which is where the graph crosses the y-axis.About 100 is where the data starts on the y-axis.The y-intercept is about 40g. Indicating a significant amount of growth since birth.
- 18. Multiple ChoiceEstimate the correlation coefficient.r = -0.8r = -0.5r = 0.5r = 0.8
- 19. Multiple ChoiceEstimate the correlation coefficient.r = 0r = -1r = 1r = 2
- 20. Multiple ChoiceEstimate the correlation coefficient for this scatterplot.r = 1.2r = 0.89r = 0r = -0.89
- 21. Multiple ChoiceEstimate the correlation coefficient for this scatterplot.r = -0.9r = 1r = 0.9r = -1
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