Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 9 - Review - Review Exercises - Page 471: 8

Answer

The properties are as follows: 1. The t-distribution is symmetric about . 2. For different degrees of freedom, the t-distribution is different. 3. The area under the curve is 1. 4. As the value of t-statistic becomes extremely large or small, the distribution approaches to smaller value but never equals to zero. 5. The area in the tails of the distribution of t is greater than the area in the tails of the distribution of standard normal. 6. As the size of the sample n increases, the distribution of t becomes closer to standard normal distribution. 7. The t-distribution is asymptotic to x-axis, i.e., extended to infinity on either side.

Work Step by Step

Given above.
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