Statistics: Informed Decisions Using Data (4th Edition)

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

Chapter 8 - Review - Review Exercises - Page 422: 7a

Answer

The distribution is not normal.

Work Step by Step

We have a mean = 2.24 and standard deviation 1.38. The standard deviation is quite large and if we move more than 1.7 standard deviations left of the mean, we would have a negative number of television sets. The distribution is thus likely right skewed and not normal.
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