An experiment was conducted to test the effects of nitrogen fertilizer on lettuce production.

Help your boss to run a completely randomized design and carry out the analyses.

a) Write the research question(s).

b) What is/are the variable(s) in your RQ(s)? Which one(s) is/are the response variable? Which

one(s) is the independent variable?

c) Specify the experiment unit and observation unit in your design. Explain the treatment design

and experiment design. Also explain how you will randomize.

d) What will be the linear model for this study? Make sure you explain the meaning of all your

notations.

e) What is the name of statistical procedure will be used to analyze the data you get in this

project?

f) To use the statistical procedure legitimately, what assumptions need to be checked?

g) If you find significant result from step f), what will you do next for analysis?