Karen takes a survey of the ages of people in the mall at 10 a. m. and at 6 p. m. on a saturday. karen wants to give a saturday presentation at the mall on rollerblading equipment and techniques. which statement best describes when karen should schedule her presentation and why? at 10 a. m., because there are more people at the mall at that time. at 10 a. m., because the average age of someone at the mall at that time is about 40. at 6 p. m., because the range of ages for this data set is less than the range of ages for the 10 a. m. data set. at 6 p. m., because the median age of the people at the mall at that time is 17, a teenage crow