An experiment was performed to investigate the keyboard feel on a computer (crisp or mushy) and the size of the keys (small medium or large). The response variable is typing speed. Three replicates of the experiment were performed. The experimental desgin and data are as follows
key size mushy crisp
small 31,33,35 36,40,41
medium 36,35,33 40,41,42
large 37,34,33 38,36,39