Sonia asked ten friends to pick a number between one and twenty. The picks are listed below. 15, 17, 12, 19, 10 ,12, 16, 8, 13, 19 What is the mean absolute deviation of the numbers?

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.

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300