analysis memo

# analysis memo - TO: Fred Dorner FROM: Quinton Boughton...

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TO: Fred Dorner FROM: Quinton Boughton DATE: 7 April 2008 SUBJECT: The cardiac demand of shoveling heavy snow in different ways Treadmill Arm-Crank Ergonometer 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

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Compare the average heart rate for the treadmill vs. the snow thrower: U 1 = average heart rate for the treadmill U 2 = average heart rate for the snow thrower H o : U 1 - U 2 = 0 H a : U1 - U 2 \= 0 t-Test: Paired Two Sample for Means   Treadmill Snow  Thrower Mean 178 123.6 Variance 281.1111111 336.9333333 Observations 10 10 Pearson Correlation 0.398580061 Hypothesized Mean  Difference 0 df 9 t Stat 8.910718617 P(T<=t) one-tail 4.63145E-06 t Critical one-tail 1.833112923 P(T<=t) two-tail 9.2629E-06 t Critical two-tail 2.262157158   Conclusion: The p-value is less than .05 so we reject H o . There is a significant difference between the heart rates of the people who used the treadmill verses the people who used the snow thrower.
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## This note was uploaded on 04/07/2008 for the course BUSN 2301 taught by Professor Dorner during the Spring '08 term at Trinity U.

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analysis memo - TO: Fred Dorner FROM: Quinton Boughton...

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