Which of the following sets of variables are negatively correlated?1 pointNumber of sales and company profit.Weight and height of a human.Outside temperature and ice cream sales.For a college student, time spent watching TV or scrolling on social media and final exam score.
Question
Which of the following sets of variables are negatively correlated?1 pointNumber of sales and company profit.Weight and height of a human.Outside temperature and ice cream sales.For a college student, time spent watching TV or scrolling on social media and final exam score.
Solution
The set of variables that are negatively correlated is "For a college student, time spent watching TV or scrolling on social media and final exam score."
This is because a negative correlation means that as one variable increases, the other decreases. In this case, as the time a college student spends watching TV or scrolling on social media increases, their final exam score is likely to decrease. This is due to less time being spent on studying or academic activities.
The other sets of variables mentioned are likely to have positive correlations. For example, as the number of sales increases, the company profit is also likely to increase. Similarly, there is generally a positive correlation between a person's weight and height. And, typically, as the outside temperature increases, ice cream sales also increase.
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