Q1
First perform an F test for the ratio of two variances to determine whether it can be assumed that the populations have equal variances.
Q2
Depending on your answer to the previous question, answer the question is there sufficient evidence from these data to claim that the averages of
the granule loss of the Boston and Vermont shingles differ.
Here you have two options:
(1) create and interpret a confidence interval for the difference mean granule loss of the Boston and Vermont shingles.
(2) perform a test of hypotheses to answer the question. In this case make sure you write down the hypotheses, provide test statistic value and p-value.
Also you must include a conclusion.
Q3
Upload the excel file containing the computations you did to answer all the questions above. Make sure you put comments so that
the grader can identify where you are solving each question
Sample Solution
