If Confidence Level is 90%, what should the Black Belt assume about his statistical test?

OPTIONS

• The test will have a high chance of errors
• The risk in the experiment is low
• The probability of committing a Type I error is high
• The risk in the experiment is high

ANSWER

The probability of committing a Type I error is high

EXPLANATION

Confidence of 90% means significance is 10%, which means probability of committing a type I error is high, so THE THIRD OPTION is correct.