Mrs.gitterman gave a quiz to each of her three math classes. Each of her classes have 12 students. When she found the mean for e
ach class, she was surprised to see that the mean for each class was 80%. However looking at individuals scores, she found that the distribution of scores in each class looked very different.
It would take greater than 31.25 hours for Tim's price to be better. So in terms of whole hours it would take at least 32 hours of work for Tim's price to be better.
