1. F- Distribution 2. F- Distribution Theoretically, we might define the F distribution to be the ratio of two independent chi-square distributions, each divided by their…

1. Example: small n, sigma unknown 2. Example continued 3. Example for a proportion 4. Example continued 5. Chi-squared tests for standard deviation can be two-tailed ……

Slide 1You will need Your text Your calculator And the handout Steps In Hypothesis Testing Bluman, Chapter 81 Slide 2 Sec 8.2 Z test for the Mean Bluman, Chapter 82 Slide…

Slide 1Chapter 11 Elementary Statistics Larson Farber Nonparametric Tests Slide 2 The Sign Test Section 11.1 Slide 3 Left-tailed test: H 0 : median k andH a : median

Slide 1Aim: How do we find the critical values of a z test? HW#7: last slide SPSS Assignment Due Monday Slide 2 Choosing Significant Level The researcher decides what level…

Slide 1 RESULT AND ANALYSIS (part 2) RESEARCH METHODOLOGY Slide 2 HYPOTHESIS TESTING A hypothesis is a conjecture about a population parameter. This conjecture may or may…

Slide 1 7.4 Hypothesis Testing for Proportions Statistics Mrs. Spitz Spring 2009 Slide 2 Objectives/Assignment How to use a z-test to test a population proportion, p. Assignment:…

Slide 1 BCOR 1020 Business Statistics Lecture 19 – April 1, 2008 Slide 2 Overview Chapter 9 – Hypothesis Testing –Logic of Hypothesis Testing –Testing a Proportion…

Slide 1 7.3 Hypothesis Testing for the Mean (Small Samples) Statistics Mrs. Spitz Spring 2009 Slide 2 Objectives/Assignment: How to find critical values in a t-distribution…

AP Statistics In this section, you will learn how to test a population proportion, p. If np ≥ 10 and n(1-p) ≥ 10 for a binomial distribution, then the sampling distribution…