Elementary Statistics (12th Edition)

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

Chapter 3 - Statistics for Describing, Exploring, and Comparing Data - 3-2 Measures of Center - Basic Skills and Concepts: 28

Answer

The mean of the sample is really close to 100, therefore the sample is consistent with the population.

Work Step by Step

The mean can be counted by summing all the data and dividing it by the number of data: $\frac{96+89+87+...+124}{20}=101$. The median is the average of the 1 or 2 (here 2) middle data:(96+97)/2=96.5. The mean of the sample is really close to 100, therefore the sample is consistent with the population.
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