The Central Limit theorem only applies when the distribution of individual sample scores is ...

The Central Limit theorem only applies when the distribution of individual
  sample scores is normal.
 
  Indicate whether the statement is true or false

Question 2

A raw score above the sample mean will result in a z-score
 
  a. equal to the sample mean.
  b. of zero.
  c. less than zero.
  d. greater than zero.

Question 3

When any frequency distribution curve is symmetrical, it must, by
  definition, also be normal.
 
  Indicate whether the statement is true or false

Question 4

When a person is viewed as being positive in one area, and then is assumed
  to be positive in other areas, this is called
 
  a. the double-blind error
  b. the nominal fallacy
  c. the beta error
  d. the halo effect