The Basic Practice of Statistics 7th Edition

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

Chapter 21 - Comparing Two Means - Chapter 21 Exercises - Page 515: 21.53b

Answer

For male students data, the sample size is 81. The mean is 6.52. The median is 6. The standard deviation is 3.347. A one-sample t-test gives a 95% confidence interval of (5.7784, 7.2586) for the mean.

Work Step by Step

For male students data, the sample size is 81. The mean is 6.52. The median is 6. The standard deviation is 3.347. A one-sample t-test gives a 95% confidence interval of (5.7784, 7.2586) for the mean.
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