The following data set shows the price, in dollars, of a milkshake at five different restaurants. What are the mean absolute deviation and population standard deviation of this data set? Round to the nearest tenth if necessary. 4, 2, 9, 14, 6

mean absolute deviation =

standard deviation =

Emily works as a painter. for each job, it takesher 30 minutes to prepare an interior wall ofa house before she paints and 2 minutes persquare yard to paint that will. the graph belowshows the total time it would take her to do a job,based on the total area of the wallhow long does it take her to do a job when she paints a wall with an area of 15 square yards?