Lecture 11: Introduction to Inductive Statistics and Probability

Note: reading assignment adjustment:

In Chapter 9: p. 115-129, 139-43

In Chapter 10: p. 154-166.

Statistics versus Parameters

Research Hypotheses and Null Hypotheses

Type I and Type II Error:

		Finding:	Finding:
		Reject Ho	Fail to Reject Ho
Truth:	Ho True	Type I Error (false rejection)	Correct
Truth:	Ho False	Correct	Type II Error (False Acceptance)

Basic Notions about Probabilities

0 £ P(A) £ 1.0

P(A or B) = P(A) + P(B) (if mutually exclusive)

P(A or B) = P(A) + P(B) - P(A & B)