11 it is possible that the conclusion was incorrect

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: hours with a standard deviation of 10 hours. 3 Are the criteria for the approximate normality of the sampling distribution of sample means satisfied? Step 3: Assess the Evidence 4 Is the sample mean consistent with the alternative hypothesis? © 2011 THE CARNEGIE FOUNDATION FOR THE ADVANCEMENT OF TEACHING A PATHWAY THROUGH STATISTICS, VERSION 1.6, STATWAY™  ­ STUDENT HANDOUT STATWAY™ STUDENT HANDOUT | 6 Lesson 10.3.1 Hypothesis Tests for Population Means 5 Calculate the test statistic for the observed sample mean. 6 Sketch the T ­distribution and identify the position of the observed test statistic. Shade the area that represents the P ­value. 7 Use the test statistic to find the P ­value. Step 4: State a Conclusion 8 How does the P ­value compare to the significance level? Should we reject or fail to reject the null...
View Full Document

This document was uploaded on 03/13/2014 for the course MATH 75 at Skyline College.

Ask a homework question - tutors are online