Another name for the within-groups ANOVA is

Another name for the within-groups ANOVA is
 
  a. a related-samples t-test.
  b. a related-samples ANOVA.
  c. a repeated-measures ANOVA.
  d. There is no other name for the within-groups ANOVA.

Question 2

Nominal data require the _____ as a measure of variability.
 
  a. range
  b. standard deviation
  c. variance
  d. No measure of variability can be used with nominal data.

Question 3

The difference between z scores and standard scores is that
 
  a. z scores can never be negative, whereas standard deviation scores always
   are
   b. z scores can only be calculated with reference to the mean, whereas
   standard scores relate to the median
   c. z scores can only be calculated with reference to the standard deviation,
   whereas standard scores relate to the variance
   d. none of these, since z scores are standard scores