<prompt> For 95 confidence limits true is :1.95 of standard error of meanReduces 95 of values2.95 of standard error of meanNormal distribution-2.5 S.D.  <response>: Ans. is a i.e.1.95 of standard error of mean Ref: Park 20e, p 751 18e, p647, 17e p613, 16e, p 595Jx - 1 - area bw 1 S.D on either 68 confidence limits side of meanx - 2 - S.D. 95.4x - 3 - S.D. 97.7 