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7-112.

Ruthie did a survey among her classmates comparing the time spent playing video games to the time spent studying. The scatterplot of her data is shown below. Homework Help ✎

graph

  1. What association can you make from her data?

    The person who played video games for 160 minutes studied for less than 20 minutes. The person who did not play any video games studied for 60 minutes.

    There is a moderate, negative, linear association.

  2. Use an ordered pair () to identify any outliers.

    The person who played video games for about 100 minutes studied much longer than those who played about the same number of minutes.