:00 Rachel Roberts: Attempt 1 At a meeting of a weight-loss group, each of the 30 members reported the number of calories in his/her supper the previous day. For the grouped data listed below, give the modal class and compute the mean and standard deviation. Round the values to the nearest hundredth (two decimal places). Class Limits Frequency 427- 445 9 446 -464 465 - 483 484 -502 503 -521 8

Modal class:

Mean ≈

Standard deviation ≈

A