In a study conducted to investigate browsing activity by shoppers, each shopper was initially classified as a non-browser, 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.

Non-browser

Light Browser

Heavy Browser

4

5

5

5

6

7

6

5

5

3

4

7

3

7

4

4

4

6

5

6

5

4

5

7

A.) Use ? = .05 to test for differences among comfort levels for the three types of browsers.

B.) Use Fisher