In a grouped frequency distribution, the range of score values ...

[jazziefee]

In a grouped frequency distribution, the range of score values into which the raw scores
  are grouped is called the _____ .
 
  a. class interval
  b. class range
  c. score range
  d. group interval

Question 2

The term equivalent groups means that ______ .
 
  a. the independent variable affects all groups equally
  b. the dependent variable is the same among all groups
  c. only chance factors influence differences among groups after the independent variable has been manipulated
   d. the groups of participants do not differ in any systematic way prior to the manipulation of the independent variable

[BAOCHAU2803]

Answer to Question 1

A

Answer to Question 2

D

[jazziefee]

Excellent

[mochi09]

Thanks for the timely response, appreciate it