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- 1. Multiple ChoiceThe correlation coefficient is a number "r" such that:-1<r<1-1>r>1-1≤r≤1-1≥r≤1
- 2. Multiple Choice
What type of association does this graph have?positivenegativenoneall of the above - 3. Multiple ChoiceWhat type of association does this graph have?positivenegativenoneall of the above
- 4. Multiple ChoiceWhat type of association does this scatter plot represent?positive linear associationnegative linear associationno associationnonlinear association
- 5. Multiple Choicer=-0.89Strong positiveWeak positiveStrong negativeWeak negative
- 6. Multiple Choicer=0.3Strong positiveWeak positiveStrong negativeWeak negative
- 7. Multiple ChoiceDescribe the relationship between the variables.Strong positive correlationWeak positive correlationStrong negative correlationWeak negative correlation
- 8. Multiple ChoiceDescribe the relationship between the variables.Weak positive correlationWeak negative correlationStrong positive correlationStrong negative correlation
- 9. Multiple ChoiceDescribe the relationship.Strong positive correlationStrong negative correlationWeak positive correlationNo correlation
- 10. Multiple ChoiceDescribe the relationship between the variables.no correlationstrong positive correlationstrong negative correlationweak positive correlation
- 11. Multiple ChoiceEstimate the correlation coefficientr=-1r=1r=-0.5r=0.5
- 12. Multiple ChoiceEstimate the correlation coefficient.r=0r=-1r=1r=2
- 13. Multiple ChoiceEstimate the correlation coefficient.r=-1r=-0.5r=1r=0.5
- 14. Multiple ChoiceDetermine the Correlation Coefficient and decide whether it is weak, moderate, or strong.0.07 weak-0.26 weak-0.26 moderate0.07 strong
- 15. Multiple ChoiceDetermine the Correlation Coefficient and decide whether it is weak, moderate, or strong.-0.19 weak-0.19 moderate0.04 weak0.04 strong
- 16. Multiple ChoiceFind the equation of the line of best fit for this table.y = -0.18x + 6.47y = 6.47x - 0.18y = 0.04x - 0.19y = -0.18x - 0.19
- 17. Multiple ChoiceFind the equation of the line of best fit for this table.y = -2.28x + 51.08y = 51.08x - 2.28y = 0.06x - 0.26y = -2.28x - 0.26
- 18. Multiple ChoiceWhat is the line of best fit?f(x)= 5x+1.82cannot be determinedf(x)= 1.82x + 5.02f(x)= 1.1x + 4.2
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