Spring2015-Exam1-StudyGuide

# Spring2015-Exam1-StudyGuide - CHP9 HYPOTHESIS TESTING FOR A...

• Test Prep
• 2

This preview shows page 1 - 2 out of 2 pages.

CHP9: HYPOTHESIS TESTING FOR A SINGLE POPULATION Textbook Info: From 384 to 388 / from 390 to 410 Your turn 1 & 2 & 3 & 4 Topics 1. Formulate null and alternative hypothesis for two-tail and one-tail tests. 2. Hypothesis testing when standard deviation of the population is known Critical Value approach o STEP1: write down null and alternative o STEP2: find the critical z values from pink table and decide rejection and non-rejection regions o STEP3: find the z-stat, find where it falls (rejection/non-rejection region) and decide whether you reject or do not reject the null. o Interpret your finding P- Value approach o STEP1: write down null and alternative. o STEP2: find the p value and compare it to alpha to decide rejection and non-rejection regions. (If alpha is greater than p value then you reject null.) o Interpret your finding Confidence Interval approach o STEP1: write down null and alternative. o STEP2: find the confidence interval and check whether μ falls in this interval to decide rejection and non-rejection regions. (If μ does not fall in this interval then you reject

Subscribe to view the full document.

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern