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Mathematics, 25.02.2020 04:02 doublejojo214
This table shows the distribution of winning times in the Kentucky Derby (a horse race) over 84 years. Kentucky Derby Winning Times, 1930–2014 (seconds) From To f 119 < 120 1 120 < 121 5 121 < 122 19 122 < 123 27 123 < 124 12 124 < 125 10 125 < 126 5 126 < 127 3 127 < 128 2 Total 84 Click here for the Excel Data File (a) Fill in the highlighted cells in the table below. (Round your answers to 2 decimal places.) From To Frequency (f) Midpoint (m) fm f(m–x⎯⎯)2 119 < 120 1 120 < 121 5 120.5 602.5 121 < 122 19 121.5 2,308.5 122 < 123 27 122.5 3,307.5 123 < 124 12 1,482.0 124 < 125 10 124.5 1,245.0 125 < 126 5 125.5 627.5 126 < 127 3 126.5 127 < 128 2 127.5 255.0 Total 84 Average = Standard Deviation = CV = % (b) State whether the following statement is True or False? The raw data would show us the years when the winning times were much longer than the average. true false (c-1) Do you think it likely that the distribution of times within each interval might not be uniform? Yes No (c-2) This distribution appears to be: Skewed right Symmetric Skewed left rev: 02_13_201
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This table shows the distribution of winning times in the Kentucky Derby (a horse race) over 84 year...
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