Question 18

As the amount of water a plant receives increases,

this relationship indicates a positive correlation, as it suggests that with an increase in one variable (water), the other variable (plant growth) also increases.

A) As the amount of water a plant receives increases,

This option correctly exemplifies a positive correlation because it implies that more water leads to better growth, demonstrating that both variables move in the same direction.

B) As the number of hours a person exercises decrease

This option indicates a negative correlation instead of a positive one, as it suggests that with fewer hours of exercise, the expected outcome related to health or fitness would decline, demonstrating an inverse relationship.

C) As a student class attendance decreases, the stude

This statement is incomplete, but it hints at a negative correlation, as lower attendance typically correlates with poorer academic performance, again indicating that one variable moves in the opposite direction to the other.

D) As the number of miles driven increases, the amount

This option is also incomplete, but if it were to suggest a relationship such as an increase in fuel consumption, it would represent a positive correlation. However, without complete context, it cannot be confirmed as clearly as option A.

Conclusion

Option A clearly represents a positive correlation where both variables increase together. In contrast, options B and C exemplify negative correlations through their relationships, while option D remains ambiguous without further context. Thus, option A is the definitive correct answer, illustrating the concept of positive correlation effectively.