Term

You are interested in conducting an experiment to determine whether using a regular daily watering program improves plant growth over just using natural rain. What would be the best null hypothesis?

Definition

If plants are watered daily, their growth rates will be similar to plants that are not watered daily.

Term

You are interested in conducting an experiment to determine whether using a regular daily watering program improves plant growth over just using natural rain. What would be the best alternative hypothesis?

Definition

A. If plants are watered daily, they will grow better than plants that are not watered daily. B. IF plants are watered daily, their growth rates will differ from the plants that are not watered daily. C. If plants are watered daily, they will grow more slowly than plants that are not watered daily. A, B, and C are all acceptable.

Term

You are interested in conducting an experiment to determine whether using a regular daily watering program improves plant growth over just using natural rain. What would be the best control group?

Definition

A. 5 plants that are not watered daily B. 5 plants that are watered daily C. 100 plants that are not watered daily D. 100 plants that are watered daily C. is correct