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21. exercise a researcher found that students who spent more time exerc…

Question

  1. exercise a researcher found that students who spent more time exercising each week also had higher average test scores. describ the correlation, if any, between time spent exercising and test scores. (lesson 4 - 4)

Explanation:

Step1: Analyze the relationship

When one variable (time spent exercising) increases and the other variable (test scores) also increases, it indicates a positive relationship.

Step2: Define the correlation

In statistics, this kind of relationship where both variables move in the same direction (increase - increase or decrease - decrease) is called a positive correlation.

Answer:

There is a positive correlation between time spent exercising and test scores.