Please compute the variance and standard deviation. Show your step-by-step solution. I need this asap huhu. Thank you!

RUBIK'S CUBE COMPETITION (time in seconds) CONTESTANT FIRST TRY SECOND TRY THIRD TRY Abby 11 16 6 Tin 9 11 13 Rose 17 13 9 Ivy 12 11 13 1. Complete the table below. / 1 CONTESTANTS MEAN RANGE VARIANCE STANDARD DEVIATION Abby 11 10 Tin 11 Rose 13 IVY 12