1) If Type 1 error increases then Type 2 error?

a) remains unchanged

b) decreases

c) increases

d) None of the above

2) "Three sets of five mice were randomly selected to be placed in a standard maze but with different color doors. The response is the time required to complete the maze as seen below. The study was performed the observe the effect of door color on response time. What is the value of variation among the groups? Red: 9, 11, 10, 12, 16, Green: 19, 20, 24, 16, 32 Black: 7, 6, 8, 15, 9"

a)244.4665

b) 282.8667

c) 230

d) 630.2558