Assignment #
For each of the following three
experiments, analyze the data in R using regression (the lm function), and
answer the following questions in a Microsoft Word document:
1.
What is the scientific hypothesis in this
experiment?
2.
What is the estimated slope from the regression
analysis?
3. What is the estimated standard deviation in
the error?
Experiment 1 - This is one of the experiments described in class, where we are
interested in the relationship between canopy biomass (kg/hectare; X) and
understory biomass (kg/hectare; Y) (Data#1)
Experiment 2 - This is another experiment described in class, where we are
interested in the relationship between rainfall (cm; X) and understory plant
biomass (kg/hectare; Y) (Data#2)
Experiment 3 - This is a study in which we are interested in the relationship
between prey density (prey/hectare; Y) and predator density (predators/hectare;
X) (Data#3).
Note that you can see how the data was created here:
Truth