Answer
$t_{0.05} = 1.725$
Work Step by Step
df = 20
c = 90% = 0.90
α (1-c)/2 = 0.05
Using Table-VI, we have:
$t_{0.05} = 1.725$
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 9 - Section 9.2 - Assess Your Understanding - Vocabulary and Skill Building - Page 447: 7d
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