The eаrliest Egyptiаn writing is cаlled hierоglyphics.
A cоnsumer оrgаnizаtiоn studied the effect of аge of car owner on the size of cash offer for a used car by utilizing 12 persons in each of three age groups (young – Treatment 1, middle age – Treatment 2, and elderly – Treatment 3) who acted as the owner of a used car. A medium sized, six-year-old car was selected for the experiment, and the "owners" solicited cash offers for this car from 36 dealers selected at random. A completely randomized design was utilized to compare the mean cash offers for the three treatments. The dot-plots and the ANOVA analysis with the Tukey comparisons from JMP are given below: How were the factor levels and the treatments related in this problem?