As we saw in chapter 8, Exercise 40, between 1954 and 2013, swimmers have crossed Lake Ontario
Question:
Summary statistics are as follows
Is there a difference between the mean amount of time (in minutes) it takes female and male swimmers to swim the lake?
a) Construct and interpret a 95% confidence interval for the difference between female and male crossing times (technology gives 35.7 df).
b) Comment on the assumptions and conditions and your conclusions.
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Related Book For
Stats Data and Models
ISBN: 978-0321986498
4th edition
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock
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