Test statistical hypotheses, including Type I and Type II errors.

Free CAS MAS-I (Modern Actuarial Statistics I) lesson in Statistics. 10 min read, ~1,474 words.

is the status-quo claim you can reject; is what you adopt if evidence is strong enough. You never "accept", you only fail to reject it. Type I error ( ) = rejecting a true; Type II error ( ) = failing to reject a false. Power equals. Reject when the...

Read the full lesson, free →
Worked examples, audio narration, and practice. No signup to read.

What this lesson covers

Learning objectives

Browse all free MAS-I lessons or jump into free MAS-I practice questions.