SOLUTION: Respected Sir / Mam , Please help me to solve this question. I will be very grateful for your help . My question is If standard deviation = 20 and sample size is 100 then stand

Algebra ->  Absolute-value -> SOLUTION: Respected Sir / Mam , Please help me to solve this question. I will be very grateful for your help . My question is If standard deviation = 20 and sample size is 100 then stand      Log On


   

Question 485395: Respected Sir / Mam ,
Please help me to solve this question. I will be very grateful for your help .
My question is
If standard deviation = 20 and sample size is 100 then standard error of mean is
As the answer given is : 2
Please provide me the steps for this question.
Thank you

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

Formula for standard error (SEM) is standard deviation divided by the square root of the sample size, or s%2Fsqrt%28n%29.
SEM+=+20%2Fsqrt%28100%29+=+20%2F10=2