Question

If you are doing 20 two-at-a-time t-tests, you would expect 1 test result to be the result of error

a. true
b. false

Answer 1

The probability of making a Type I error in a two-at-a-time t-test is true.

Step-by-step explanation:

In this case, the student is asking about the probability of a Type I error occurring. A Type I error occurs when a true null hypothesis is rejected. The probability of a Type I error is denoted by the Greek letter α. In the question, the student is doing 20 two-at-a-time t-tests. Each test has a probability of making a Type I error. Since there are 20 tests, we can expect 1 test result to be the result of a Type I error. Therefore, the correct answer is true.