The two-way table shows the type of lunches ordered by teachers and students in the cafeteria
yesterday. Of the total people who ordered in the
cafeteria yesterday, find the relative frequency of
teachers to the nearest percent. Record your answer
on the grid

The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. complete parts (a) and (b) below. business degrees nonbusiness degrees total male 189131 634650 823781 female 169539 885329 1054868 total 358670 1519979 1878649 (a) find the probability that a randomly selected student is male, given that the student received a business degree. the probability that a randomly selected student is male, given that the student received a business degree, is nothing. (round to three decimal places as needed.) (b) find the probability that a randomly selected student received a business degree, given that the student is female. the probability that a randomly selected student received a business degree, given that the student is female, is nothing. (round to three decimal places as needed.)

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

How can you find the mean absolute deviation (mad) for this set of data?