Question
A botanist wants to know if the type of soil yarrow seeds are planted in affects their growth rate.
She chooses 120 seeds from her supply and plants 60 of them in sandy soil and 60 of them in clay soil.
1. What is the statistical question being asked in this experiment? (Answer in under 2 sentences and extremely simply).
The botanist is aware that there are other factors that could affect her experiment and wants to make sure she controls those things so that they don't give her inaccurate results.
2.) Give one example of another variable that could affect the botanist's experiment and explain what she could do to avoid it.
She chooses 120 seeds from her supply and plants 60 of them in sandy soil and 60 of them in clay soil.
1. What is the statistical question being asked in this experiment? (Answer in under 2 sentences and extremely simply).
The botanist is aware that there are other factors that could affect her experiment and wants to make sure she controls those things so that they don't give her inaccurate results.
2.) Give one example of another variable that could affect the botanist's experiment and explain what she could do to avoid it.
Answers
GPT-4o mini
1. The statistical question being asked is whether the type of soil (sandy vs. clay) affects the growth rate of yarrow seeds.
2. One example of another variable that could affect the experiment is the amount of water the seeds receive. The botanist could control this by giving all seeds the same amount of water during the experiment.
2. One example of another variable that could affect the experiment is the amount of water the seeds receive. The botanist could control this by giving all seeds the same amount of water during the experiment.