In an Experiment Where the Means of 6 Groups Are

Multiple Choice

In an experiment where the means of 6 groups are being tested 2 at a time, ___ tests are conducted. If each test is analyzed using α = 0.01, the probability that at least 1 Type I error will be committed is ___.

A) 12; 0.12
B) 12; 0.88
C) 15; 0.14
D) 15; 0.86
E) 36; 0.30