At a significance level 5%, a Black Belt committed rejected the fact that the data belongs to a normal distribution, when in reality it belonged to the distribution. What did the Black Belt do?

OPTIONS

• He committed a Type I error
• He committed a Type II error
• He committed a Type III error
• None of the above

ANSWER

He committed a Type I error

EXPLANATION

The condition described in the question best meets the description of a Type I error, so THE FIRST OPTION is correct.