PLEASE HELP ME ASAP Shelley and Tom surveyed 6 of their friends to find the number of hours each friend read reads per week. They recorded the results from each friend in a list. 0, 7, 6, 8, 1, 2 What is the mean absolute deviation of this data set?

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?