For a population with a mean of (mew) = 50 and a standard deviation of 10, how much error, on average, would you expect between the sample mean (M) and the poulation mean for:

Question

For a population with a mean of (mew) = 50 and a standard deviation of 10, how much error, on average, would you expect between the sample mean (M) and the poulation mean for:
a) a sample of n=4 scores
b) a sample of n=16 scores
c) a sample of n=25 scores

Are the sample mean (M) and population means different? How do you find M? I don't understand this question...Please help me!

emily · Answer

The inequality for the graph can be expressed as 32 ≤ r ≤ m where r is the minimum range of the scores in any of the games and m is the maximum range. What is the value of m?