Layla can answer 44 math problems every 20 minutes at this rate, how many problems can she answer in an hour

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

What does the relationship between the mean and median reveal about the shape of the data

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?