Please may the solution of this be shown to me

Q10. Section 3-2: Fuel Capacity: [6 marks] the fuel capacity in gallons for 50 randomly selected cars is Class Boundaries Xm 10 -12 9.5- 12-5 6 Xg = 11 (6)+ 1414)+ 17(14)+20(15 ) 13- 15 12.5 - 15.5 14 4 + 28 23 ( 8)+ 26 ( 2)+ 29 16 - 18 15.5 - 18.5 17 14 19 -21 18. 5 - 21.5 50 20 15 22 - 24 21.5- 245 23 8 Xg = 66+56 + 238 +300+ 184+52 25-27 24.5- 27.5 26 2 +29 28 - 30 27.5 - 30.5 29 1 50 X9 = 18- 5 Use grouped formulas to find approximations for variance, standard deviation, median, Pao and Pso. $2 = E ( P MF ) - ( EXmF ) 2 EX ME= 17981 n - 1 ( Exmf ) = 191537 17981 - 1 191537 21 14150.26 50 288.78 = 17 /1 49 49 Sg= grouped median P40 = Pgo =