2.2 (20Bamiastes al (2013) analyzed data on all bicycle accidents involving llisions with motor vehicles in New South Wa

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2 2 20bamiastes Al 2013 Analyzed Data On All Bicycle Accidents Involving Llisions With Motor Vehicles In New South Wa 1 (31.32 KiB) Viewed 12 times

2.2 (20Bamiastes al (2013) analyzed data on all bicycle accidents involving llisions with motor vehicles in New South Wales Australia during 2001-2009. Their very sezensive multi-variable analysis includes the following numbers. After clearly stating what tese you will be asing, perform the test and conclude. sieme a point ocimate for the probability of having a head injury and wearing a helmet, having a head injury when not wearing a helmet Head Other Wearing 372 267 4715 1391 No helmet This is an observational study only, but given the results, (and the proper test and so on) do you think wearing a helmet has an effect on the risk of head injury?