Please help! 2. A football coach recorded his team’s game scores over a football season. The scores are 21, 45, 21, 14, 21, 28, 24, 14, 24, 28.
(a) Find the mean absolute deviation of the data. Round to the nearest tenth.
(b) Interpret the mean absolute deviation of the data within the context of the problem.
(c) Explain how removing the outlier, 45, affects the mean absolute deviation.

4. Two random samples are shown from two different populations. Sample 1 represents the monthly cost of living for a single person. Sample 2 represents the monthly cost of living for a married couple with one child.
Sample 1: {$1800, $2000, $2200, $2300, $2500, $3000}
Sample 2: {$5400, $5500, $5600, $5600, $5800, $6000}
(a) Calculate the mean and the median of each population.
(b) Draw a conclusion about the populations based on the measures of center.