The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 20 - Inference about a Population Mean - Chapter 20 Exercises - Page 482: 20.48

Answer

There is sufficient evidence to support the claim that the mean count of T cells is higher after 20 days on blinatumomab.

Work Step by Step

Mean = $\frac{.24+.45+1.3+.23+.84+.11}{6}$ = .5283 s = .4574 z = $\frac{x-u}{o/\sqrt n}$ = $\frac{.5283-0}{0.4574/\sqrt 6}$ = 2.829 .01 < P < .02
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