Page 122 - Math Course 1 (Book 1)
P. 122

Algebra: Scatter Plots




         B. STUDY SKILLS  The table shows hours spent      C. STUDY SKILLS  The table shows hours spent
         studying for a test and the corresponding test    studying for a test and the corresponding test
         score. Does the scatter plot show a relationship   score. Predict the test score for a student who
         between hours studied and a student’s test score?   spends 7 hours studying.

         A. Yes, a positive relationship exists.           A. between 65 and 70
         B. Yes, a negative relationship exists.           B. between 75 and 80
         C. No, no relationship exists.                    C. between 95 and 100
         D. none of the above                              D. between 105 and 110

           Answer                                           Answer






          Skill Practice!



        Tell whether each scatter plot shows a positive, negative, or no relationship.


        1.                                  2.                           3.


















        4. Draw a scatter plot with six ordered pairs that shows
            a positive relationship. Explain your reasoning.
                                                                    y














                                                                                            X



















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