Form 15: Comprehensive Review & Problem Solving

Questions

1. MultiChoice

   When interpreting a scatter plot, what is the first step?

2. MultiChoice

   Points trend down from (1,50) to (10,10), but point (12,90) sits high above. Describe pattern:

3. MultiChoice

   In trend line equation y = 25x + 10 for distance y in miles vs gas x in gallons, slope = 25 means:

4. MultiChoice

   In trend line equation y = 25x + 10 for distance y in miles vs gas x in gallons, y-intercept = 10 means:

5. MultiChoice

   Using trend line y = 25x + 10, predict distance y for x = 5 gallons of gas.

6. MultiChoice

   As outdoor temperature drops, sweater sales increase. What association is this?

7. MultiChoice

   Grouping of data points around specific values in a scatter plot are identified as:

8. MultiChoice

   What makes a line of best fit an effective mathematical model?

9. MultiChoice

   Can a teacher conclude that studying extra hours CAUSES higher test scores based solely on a scatter plot?

10. MultiChoice

    Which equation models a strong negative relationship starting at y = 100 with slope = -2?

11. MultiChoice

    To investigate whether age in years correlates with memory test score, use a:

12. MultiChoice

    If a line of best fit fits poorly because data bends upward in a curve, what is true?