Swimming heats 2016. In Exercise 59, we looked at the times in two different heats for the

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Swimming heats 2016. In Exercise 59, we looked at the times in two different heats for the 800-m men’s run from the 2012 Olympics. Unlike track events, swimming heats are not determined at random. Instead, swimmers are seeded so that better swimmers are placed in later heats.

Here are the times (in seconds) for two heats of the women’s 400-m freestyle at the 2016 Olympics.

Heat 2 Country Name Time SRB Katarina Simonovic 120.1 CZE Barbora Seemanova 120.3 MKD Anastasia Bogdanovski 120.5 CUB Elisbet Games 121.1 BAH Joanna Evans 121.3 HON Sara Pastrana 123.2 PER Andrea Cedron Rodriguez 125.3 Heat 5 Country Name Time USA Katie Ledecky 115 AUS Emma McKeon 115.8 SWE Michelle Coleman 116.5 AUS Bronte Barratt 116.9 ESP Melania Costa Schmid 118.2 JPN Rikako Ikee 118.5 FRA Coralie Balmy 118.8 GBR Eleanor Faulkner 120.5 Do these results suggest that the mean times of heat 5 are faster than heat 2? Explain. Include a discussion of assumptions and conditions for your analysis.

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Business Statistics

ISBN: 9781292269313

4th Global Edition

Authors: Norean Sharpe, Richard De Veaux, Paul Velleman

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