Among the most common sources of random variation is: a. people ...

[debasdf]

Among the most common sources of random variation is:
 a. people
  b. materials
  c. equipment
  d. all of these
  e. none of these

Question 2

One of the assumptions underlying analysis of variance for a completely randomized design is that the observations within each population are normally distributed with unequal variance.
  Indicate whether the statement is true or false

[bblaney]

Answer to Question 1

D

Answer to Question 2

F