() copay and complete the table eis Find the Standard Deviation bar of families and vanance of the distribution (1 10) Evaluate the level of Slowness for the data. ZfixaExample : Grouped Data CO C The table below shows income In ($ 002 ) earned by a number of families Income ( soos ) - frequency mid-bant 2 mip = Uch + LCL LCL UCL f . x ( 1 1 ) 3 - 7 2 5 - - 9 3 4 9 10- 14 5 15- 19 20 20 - 24 16 289 4 84 25 - 29 2+ 729 Ef= 60 Ext =() copy and complete the table ci) Find the Standard Deviation families and variance of the distribution 2 ( 1 11) Evaluate the level of Skewness for the data Efix