8.2 z Test for a Mean S.D known 1. 8.2 z Test for a Mean The z test is a statistical test for the mean of a population. It can be used when n > 30, or.
Testing Hypothesis About Proportions Chapter 20. Objectives Hypothesis Null hypothesis Alternative hypothesis Two-sided alternative One-sided alternative.
1 INTRODUCTION TO HYPOTHESIS TESTING. 2 PURPOSE A hypothesis test allows us to draw conclusions or make decisions regarding population data from sample.
Introduction to Hypothesis Testing: the z test. Testing a hypothesis about SAT Scores (p210) Standard error of the mean Normal curve Finding Boundaries.
Introduction to Hypothesis Testing Math 4030 – 9a Introduction to Hypothesis Testing Research Problem Hypothesis Experiments Data Collection Data Analysis.
Jeopardy
8.2 z Test for a Mean S.D known
Looking at differences: parametric and non-parametric tests
4 Confidence Intervals
Measurement and Scales Validity & Reliability Error.
PSY 307 – Statistics for the Behavioral Sciences Chapter 10-11 – Introduction to Hypothesis Testing.
Don’t cry because it is all over, smile because it happened.
