Author Question: The randomized block design with exactly two treatments is equivalent to a two-tail: a. independent ... (Read 103 times)

danielfitts88 · **on:** Jun 24, 2018

The randomized block design with exactly two treatments is equivalent to a two-tail:
a. independent samples z-test.
b. independent samples equal-variances t-test.
c. independent samples unequal-variances t-test.
d. matched pairs t-test.

Question 2

Discuss what we mean by assignable variation in a process and give an example.

gcook · **Reply #1 on:** Jun 24, 2018

Answer to Question 1

D

Answer to Question 2

Assignable variation is caused by specific events or factors that are frequently temporary and that can usually be identified and eliminated. Examples include a malfunction in a machine part, operator training or fatigue, or built up residue in the machines.