Using the test in question 23, you measure 64 children, obtaining a X of 57.28. Slug says

Question:

Using the test in question 23, you measure 64 children, obtaining a X of 57.28. Slug says that because this X is so close to the ^ of 56, this sample could hardly be considered gifted.
(a) Perform the appropriate statistical procedure to determine whether he is correct.
(b) In what percentage of the top scores is this sample mean?