statistic

Case 1 (Accounting Application) Use the tabular graphical methods of descriptive statistics to summarize the sample data in the data set named PelicanStores. The managerial report should contain summaries such as: 1. A frequency and relative frequency distributions for the methods of payment (different cards). (20%) 2. Mean, median, first quartile, third quartile, and sample standard deviation for net sales from regular customers. (20%) 3. Mean, median, first quartile, third quartile, and sample standard deviation for net sales from married female. (20%) 4. Apply the location method to calculate the 75th percentile manually of net sales for each method (card) of payment. Please indicate which card has the highest 75th percentile and show the process. (20%) 5. Apply Chebyshev’s Theorem to calculate the range (i.e. $ to $) of at least 80% of the net sales must fall within for the Proprietary Card payment. (20%) (Hint: What is the z-score for at least 80% of data range?)