Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 6 - Normal Probability Distributions - 6-4 Sampling Distributions and Estimators - Basic Skills and Concepts - Page 282: 12

Answer

a) 56, 1/16 52.5, 2/16 57, 2/16 51, 2/16 49, 1/16 53.5, 2/16 47.5, 2/16 58, 1/16 52, 2/6 46, 1/16 b) $53.5$ c) No

Work Step by Step

a) We know there are $4$ numbers, so there are $4^2=16$ ways to combine them. Combining the values with the same median, we obtain the following: Median, probability: 56, 1/16 52.5, 2/16 57, 2/16 51, 2/16 49, 1/16 53.5, 2/16 47.5, 2/16 58, 1/16 52, 2/6 46, 1/16 b) We can see that the population median of this set is $53.5$ c) The population median is biased, because it is not equal to the sample median.
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