(7) Class Results Note: below are listed values from past lab sessions. h(av) Ah(av) t st 1 (cm) 183 (sec) 0.191 0.016 2 15.6 1.0 3 8 3 4 132 0.178 0.006 0.13 0.02 0.162 0.013 5 17.8 1.2 0.190 0.006 6 15.6 0.7 0.178 0.004 7 9.4 0.2 0.139 0.002 8 7.7 1.2 0.125 0.010 9 9.8 1.0 0.140 0.007 10 8.5 1.0 0.132 0.008 11 9.5 0.5 0.139 0.004 12 14.6 0.8 0.173 0.005 13 3.5 1.8 0.115 0.008 14 7.3 1.0 0.122 0.008 15 15 0.7 0.175 0.004 16 16.5 0.9 0.183 0.005 17 12.6 0.2 0.160 0.003 18 8.8 0.8 0.135 0.006 19 12.1 0.2 0.157 0.002 20 8.2 1.1 0.129 0.003 Range of t for the class: (8) A tave 0.153 0.007 Analysis (1) The average human reaction time is 265 milliseconds. What is the percent difference between your value and this accepted value? (2) How do the sample Class Results compare to this accepted value? (3) Based on your answers to questions (1) and (2), do you think that there is a source of systematic error in this experiment? Explain your reasoning. (4) Provide at least one specific example of an experimental cause of systematic error(s) in this experiment. (5) Can you suggest a way of improving the experiment so that this source of error can be minimized?