Question

Kathryn has completed a study and rejected the null hypothesis when the null hypothesis was in fact true. Kathryn has made a __________.

Answer 1

Type 1 error

Step-by-step explanation:

Kathryn has a committed a type 1 error. A type when error occurs when a null hypothesis is rejected when it was true. It is a statistical error and it create bias in the decision.

It is referred to as error of commission where an individual intentionally do not accept the outcome of the experiment and would prefer to rather reject even when it was true.

Type II error occurs when a null hypothesis is accepted instead of been rejected.