The file LaptopSalesJanuary2008.jmp contains data for all sales of laptops at a computer chain in London in January 2008. This is a subset of the full dataset that includes data for the entire year.
a. Create a bar chart, showing the average retail price by store (Store Postcode). Adjust the y-axis scaling to magnify differences. Which store has the highest average? Which has the lowest? Use the Local Data Filter (under the red triangle > Scripts) to isolate these two stores.
b. To better compare retail prices across stores, create side-by-side boxplots of retail price by store. Now compare the prices in the two stores above. Does there seem to be a difference between their price
i. How do the sales volume in each store relate to Acell’s revenues?
ii. How does this depend on the configuration?
i. What are the details of each configuration? How does this relate to price?
ii. Do all stores sell all configurations?