PLEASE USE MATLAB and

a$)$ Type out all the steps stating clearly your null and alternate hypothesis, type of tail as

well your conclusion in terms of problem statement.

b$)$ Solve the problem algebraically as well as using built$-$in functions in MATLAB. Your

MATLAB code should be able to read a data file $($whenever data is provided$)$ and

compute necessary values and state the conclusion.

c$)$ For ANOVA problems, the hand calculations can be done staring with the sum of

squares column obtained from MATLAB