Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 10 - Statistics - Review Exercises - Page 753: 40

Answer

The mean number of flu vaccinations in a day is $144.7$.

Work Step by Step

Solve for the mean by adding the nine numbers together then dividing the result by $9$: Number of flu vaccinations in a day $=\dfrac{122+135+146+159+128+147+168+139+158}{9}=\dfrac{1302}{9}\approx 144.7$
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