Discuss the below:
Q1: A population has a standard deviation of o=20, how large a sample is necessary to have a standard error that is:
Less than or equal to 5 points?
Less than or equal to 2 points?
Less than or equal to 1 point?
Q2: If I have a sample of n=25 scores, what is the value of the population standard deviation necessary to produce each of the following standard error values?
oM=10 points
oM= 5 points
oM= 2 points