Can you compute a Margin of Error for Exam Grade μ ?

Question

Can you compute a Margin of Error for  Exam Grade  μ ?

Accepted Answer

Yes as Exam Grade seems to be Normally distributed

Answer

No: although Exam Grade seems to be Normally distributed the sample size is too small

Answer

Yes:  Exam Grade does not seem to be Normally distributed but the sample is big enough

Answer

No: Exam Grade does not seem to be Normally distributed and the sample size is too small

Crowdly