A way to simplify a frequency table when there are a large number of possible values is to group the scores into __________

Which of the following is most clearly not an example of an incentive?

a. a crossword puzzle b. a pornographic movie c. low blood glucose level d. the smell of rotten eggs

Each of us is made up of trillions of units called

A) phenotypes. B) chromosomes. C) genotypes. D) cells.