Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 7 - Confidence Intervals and Sample - 7-2 Confidence Intervals for the Mean When σ Is Unknown - Exercises 7-2 - Page 387: 2


"The degrees of freedom are the number of values that are free to vary after a simple statistic has been computed."

Work Step by Step

write the definition of degrees of freedom found on page 383.
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