Question: In Exercise 59, we looked at the times in two different heats for the 800-m mens run from the 2012 Olympics. Unlike track events, swimming

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 the women€™s 400-m freestyle from heats 3 and 5.

Do these results suggest that the mean times of heat 5 are faster than heat 3? Explain. Include a discussion of assumptions and conditions for your analysis.

Country Name GBR USA ESP HUN CHN ROU GBR RSA FRA USA NZL DEN ESP AUS HUN RUS Time (secs) Heat Rebecca Adington Chloe Sutton Mireia Belmonte Eva Risztov Li Xuanxu Camelia Potec Joanne Jackson Wendy Trott Camille Muffat Allison Schmitt Lauren Boyle Lotte Friis Melanie Costa Bronte Barratt Boglarka Kapas Elena Sokolova 245.7 247.1 248.2 249.1 250.9 251.4 251.5 251.6 243.3 243.3 243.6 244.2 246.8 248.0 250.0 252.2

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