The data below represents value of distilled alcohol content (%) for a sample of 35 port wines. Test whether the data is normally distributed using the best techniques. Conduct the test at alpha equal .05 and answer the questions below.
Alcohol content %: 15.30 16.20 16.35 17.15 17.48 17.73 17.75 17.85 18.00 18.68 18.82 18.85 19.03 19.07 19.08 19.17 19.20 19.20 19.33 19.37 19.45 19.48 19.50 19.58 19.60 19.62 19.90 19.97 20.00 20.05 21.22 22.25 22.75 23.25 23.78
A. State the null and alternate hypothesis of the test
B. Create a histogram and normality, and most importantly comment on the histogram and normality plot to degree of normality with the data.
C. What is the Shapiro - Wilk Test p value?
D. What are the results of the test?
E. What is the decision in terms of accepting or rejecting the null hypothesis?