I always get strucked with SD..plss help.
9.4,9.9,9.9,9.9,10.0,10.2,10.2,10.5
The mean and SD of the 8 numbers shown are 10.0 & 0.3 respectively.What percent of the 8 numbersare within 1 SD of the mean???
a- 90%..b--85%..c--80%...d-75%..e--70%..
9.4,9.9,9.9,9.9,10.0,10.2,10.2,10.5
The mean and SD of the 8 numbers shown are 10.0 & 0.3 respectively.What percent of the 8 numbersare within 1 SD of the mean???
a- 90%..b--85%..c--80%...d-75%..e--70%..
