He these is a problem

#quedateencasa 09 f 1 ? |31 % + 15:10 I.D TALLERFINALSABERPRO-I.. . . . CACICISE Z The next two questions refer to the following study: Thirty people spent two weeks around Mardi Gras in New Orleans. Their two-week weight gain is below. (Note: a loss is shown by a negative weight gain.) Weight Gain Frequency -2 3 -1 5 0 2 4 2 13 4 2 6 1 Calculate the following values: a. The average weight gain for the two weeks b. The standard deviation c. The first, second, and third quartiles WE O