In a study conducted to investigate browsing activity by shoppers, each shopper was initially classified as a nonbrowser, light browser, or heavy browser. for each shopper, the study obtained a measure to determine how comfortable the shopper was in a store. higher scores indicated greater comfort. suppose the following data were collected. light heavy nonbrowser browser browser 3 4 4 4 5 6 5 4 4 2 3 6 2 6 3 3 3 5 4 5 4 3 4 6 a. use to test for a difference among mean comfort scores for the three types of browsers. compute the values identified below (to 2 decimals, if necessary).b. use fisher