Two commonly used measures of variance are ______ and ______ .
A) range and standard deviation
B) mode and median
C) range and mean
D) standard deviation and median
Ans: A) range and standard deviation
You might also like to view...
The Yerkes-Dodson Law says:
a) performance on a task is affected by levels of arousal. b) the more money you make the better your job will be. c) nausea from bad food causes a reluctance to eat that food again. d) performance on tests is better in the morning.
Most couple therapists concentrate on ______
a. exploring the marital partners' childhoods to understand the source of the current conflicts b. desensitization techniques to help the marital partners become more tolerant of each other c. changing the behavior of the person in the marriage who is the source of the couple's problems d. improving the couple's patterns of communications and mutual expectations