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- 1. Multiple Choice
What is the type of correlation?Negativeno associationpositive - 2. 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
- 3. Multiple ChoiceThe graph shows a line of best fit for the data collected on the amount of cell phone bills in relation to the number of minutes used. What is the equation of the line of best fit.y = (1/2) x + 3y = (1/2) x + 15y = (1/40) xy = (1/40) x + 15
- 4. Multiple ChoiceThe graph shows a line of best fit for data collected on the amount of income earned by lawn companies in relation to the number of yards mowed. What is the equation of the line of best fit?y = (3/2) xy = 30xy = 30x + 300y = (3/2)x + 300
- 5. Multiple ChoiceWhich scatter plot shows the best trend line for the data?ABCD
- 6. Multiple ChoiceWhich statement is the most accurate interpretation of the data?As time went by weekly earnings increasedAs time went by weekly earnings decreasedThere was not relationship between time and weekly earnings.
- 7. Multiple ChoiceChoose the graph that has the best trend line drawnWXYZ
- 8. Multiple ChoiceFind the slope for the trend line using points (2,2) and (4,3)21/2-2-1/2
- 9. Multiple ChoiceAs the age of the car increases, its value decreases. Which scatterplot represents this relationship?ABCD
- 10. Multiple ChoiceAbout how many male math teachers were there in 2006?15303545
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