Problem1 - -0.0800 Average Proportion 0.8000 Z Test...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Z Two Proportions Page 1 Gas Mileage Analysis Data Hypothesized Difference 0 Level of Significance 0.05 Group 1 Number of Successes 380 Sample Size 500 Group 2 Number of Successes 420 Sample Size 500 Intermediate Calculations Group 1 Proportion 0.7600 Group 2 Proportion 0.8400 Difference in Two Proportions
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: -0.0800 Average Proportion 0.8000 Z Test Statistic-3.1623 Two-Tail Test Lower Critical Value-1.9600 Upper Critical Value 1.9600 0.0016 Reject the null hypothesis Paul Heinrichs p-Value Original Data Page 2 63 What if example, Section 9.2.4 Page 3 53...
View Full Document

Page1 / 3

Problem1 - -0.0800 Average Proportion 0.8000 Z Test...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online