For a symmetrical distribution approximately 68% of the cases are included between _________________? By ppsc | May 23, 2021 0 Comment A. X¯¯¯¯−S and X¯¯¯¯+SB. X¯¯¯¯−2S and X¯¯¯¯+2SC. X¯¯¯¯−3S and X¯¯¯¯+3SD. None of these Related