Question

A study reported in the Journal of the American Medical Association investigated the cardiac demands of heavy snow shoveling. Ten healthy men underwent exercise testing with a treadmill and a cycle ergometer modified for arm cranking. The men then cleared two tracts of heavy, wet snow by using a lightweight plastic snow shovel and an electric snow thrower. Each subject's heart rate during snow removal were compared with the values obtained during treadmill and arm-crank ergometer testing. Dataset: HeartRate

Treadmill	Arm-Crank Ergometer	Snow Shovel	Snow Thrower
177	205	180	98
151	177	164	120
184	166	167	111
161	152	173	122
192	142	179	151
193	172	205	158
164	191	156	117
207	170	160	123
177	181	175	127
174	154	191	109

a) Which technique of analyzing data should be used here? Why? Explain

b) Prepare the proper ANOVA table

c) Run the appropriate test statistics for this technique. Set up the hypothesis for your appropriate tests and conclude in the context of this problem. (hypotheses, decision rule, decision, conclusion in the context)

Answer 1

The above problem is solved using the minitab software. The output of minitab is attached below.

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