All percentiles above 50 must yield negative z scores. (True or false?)

All percentiles above 50 must yield negative z scores.
 
  Indicate whether the statement is true or false

Question 2

If raw values from a large sample are changed to z-scores, the result would be
 
  a. a z-distribution.
  b. a standardized distribution.
  c. Both a and b are true.
  d. None of the above are true.

Question 3

In the two-way ANOVA, total between-group variability must be divided into
 
  a. two main effects and an interaction.
  b. one main effect.
  c. two main effects.
  d. one main effect and an interaction.

Question 4

The normal curve is mesokurtic.
 
  Indicate whether the statement is true or false