This preview shows page 1. Sign up to view the full content.
Unformatted text preview: standard deviations of the population mean. When we test a sample, such as a z test statistic , that z value is a measure of standard deviation. Here are the critical values for 0.05 and 0.01 for one and two tail tests for z ....keep these handy since they will be useful in answering some parts of the hypothesis testing process. Twotailed Test Level of Significance Rejection Begins At 0.05 +/ 1.96 Level of Significance Rejection Begins At 0.01 +/ 2.58 One Tailed Test Level of Significance Rejection Begins At 0.05 + or 1.65 Level of Significance Rejection Begins At 0.01 + or 2.33...
View Full
Document
 Spring '10
 Regis
 Statistics

Click to edit the document details