Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0321911210
ISBN 13: 978-0-32191-121-6

Chapter 8 - Hypothesis Testing with Two Samples - Section 8.2 Testing the Difference Between Means - Exercises - Page 432: 3

Answer

-1.713 and 1.713

Work Step by Step

When using TI- 84 Calculator: 2ND VARS Scroll down to invT For area input alpha value / 2. In this case alpha is 0.10/2 For Degree of Freedom ( df ) input n1+n2-2. In this case input 11+14-2 The output is the critical value
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