In the analogy comparing variance to the picture on a television screen, error variance is analogous to
a. the picture
b. static or snow
c. the soundtrack
d. shifts in the picture
e. a blank screen
Question 2
The hypothesis People who listen to the Beatles while studying will perform better on an exam
than students who do not listen to the Beatles is best tested with which type of statistical test?
A) one-tailed t test B) one-way ANOVA
C) two-tailed t test D) one-tailed F test