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Biology, 05.12.2019 21:31 mayachojnicki

As a result of dog breeding for certain physical traits, many dog breeds have changed in the last 100 years. a dog breeder wants to measure the effects of breeding on the face length of the boxer breed using a hypothesis test. suppose that the dog breeder has face length measurements (in inches) from a random sample of 40 female boxer dogs taken in 1915 and a random sample of 40 female boxer dogs taken in 2015. which type of hypothesis test should the breeder use?

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