Question

In testing a new machine, a factory does an experiment in which 8 workers are randomly selected with 4 being experienced and 4 being less experienced. 2 from each group are assigned to the old machine and 2 to the new machine. They all operate their respective machine for a week and output is recorded. Answer the following questions regarding the results of the experiment.

output	experience	machine
14	L	N
15	L	N
10	L	O
11	L	O
9	H	N
12	H	N
14	H	O
17	H	O

In testing a new machine, a factory does an experiment in which 8 workers are randomly selected with 4 being experienced and 4 being less experienced. 2 from each group are assigned to the old machine and 2 to the new machine. They all operate their respective machine for a week and output is recorded. Answer the following questions regarding the results of the experiment. 4. What type of design does the experiment call for? a. completely randomized b. randomized block c. latin square d. factorial

Answer 1

4) Answer: b) randomized block design

5) Answer: b) rc(n-1)

6) Answer: c) 2.50

SS df F MS 0.50 P-value 0.6779 Fcrit 7.7086 0.50 1 0.20 ANOVA Source of Variation Sample Columns Interaction Within Total 0.50 1 0.50 0.20 0.6779 7.7086 1 40.50 16.20 0.0158 7.7086 40.50 10.00 51.50 4 2.50 7