The brain volumes (Ema) ni 5|] brains vary from a law 01504 cm3 to a high [#1458 Erna, Use the range rule of thumb to estimate the standard deviation 5 and compare the result to the exact standard deviation {#1649 cm3' assuming the estimate '5 accurate it it is within15 m3 The estimated slandard deviation is Ema, (Type an integer or a decimal. Do not round)