The variance is the same as the A) average of the squared ...

[ahriuashd]

The variance is the same as the
 
  A) average of the squared deviations.
  B) sum of the squared deviations.
  C) average of the absolute deviations.
  D) sum of the absolute deviations.

Question 2

Psychologists use frequency tables and histograms to show
 
  A) the relation between two variables.
  B) the reasoning behind experiments.
  C) the hypotheses they plan to test.
  D) the way numbers they collect are distributed.

[soda0602]

Answer to Question 1

A

Answer to Question 2

D