Answer
(b) t table
Work Step by Step
When the population standard deviation is unknown and the sample size is less than 30, what table value should be used in computing a confidence interval for a mean is t table
Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition
by Bluman, Allan
Published by
McGraw-Hill Education
ISBN 10:
0078136334
ISBN 13:
978-0-07813-633-7
Chapter 7 - Confidence Intervals and Sample - Chapter Quiz - Page 409: 7
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