BIOL 2060 Study Guide - Arctic Circle, Binomial Distribution, Bumblebee
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Problem set 4: for each of the following state i) the null hypothesis, ii) the alternate hypothesis, and, indicate whether the alternate hypothesis is one- or two-sided/tailed, you wish to explore whether drinking coffee changes one"s heart rate. Ho: coffee has no effect on heart rate. Ha: coffe does effect heart rate (2-tailed: you believe ground squirrels in southern ontario are smaller than those found north of the arctic circle. Ho: ground squirrels size in south = ground squirrel size in north. Ha: ground squirrels size in south < ground squirrel size in north (1-tailed: you explore whether drinking soda pop (like, coke etc. ) increases the prevalence of diabetes. Ho: soda pop consumption doesn"t increase prevalence of diabetes. Ha: soda pop consumption does increase diabetes (1-tailed: you explore whether cellphone use while driving increases the accident rate. Ho: cellphone use does not effect accident rate.
