ch02_Solutions - 174 Sum 9223 178 144 150 Interval...

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Month Accidents % Frequency Accidents BIN Number of Months Jan 4 8.3% 2.25 3 Feb 7 14.6% Mean 4.000 4.5 5 Mar 0 0.0% Standard Error 0.728 6.75 2 Apr 1 2.1% Median 4.000 More than 6.75 2 May 4 8.3% Mode 4.000 Jun 6 12.5% Standard Deviati 2.523 Jul 9 18.8% Sample Variance 6.364 Aug 3 6.3% Kurtosis 0.161 Sep 5 10.4% Skewness 0.408 Oct 2 4.2% Range 9.000 Nov 4 8.3% Minimum 0.000 Dec 3 6.3% Maximum 9.000 Sum 48.000 Count 12 Calculating Quartiles (25%,50%,75%) Since range is 9, 2.25 4.5 6.75 are the values Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0 1 2 3 4 5 6 7 8 9 10 Number of Accidents by Month Month Number of Accidents Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0.0% 2.0% 4.0% 6.0% 8.0% 10.0% 12.0% 14.0% 16.0% 18.0% 20.0% Relative Frequency of Accidents by Month Month Frequency 2.25 4.5 6.75 More than 6.75 0 1 2 3 4 5 6 Quartile Histogram Quartile Number of Accidents
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Meredith, Chapter 2, #23 216 Column1 241 146 Mean 184.46 154 Standard E 6.772647 223 Median 176 137 Mode 216 144 Standard D 47.88984 163 Sample Va 2293.437 197 Kurtosis -0.64915 149 Skewness 0.010794 138 Range 201 276 Minimum 75 155 Maximum 276
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Unformatted text preview: 174 Sum 9223 178 Count 50 204 144 150 Interval CumulativeBin 230 0.2 0.2 144.1549 156 0.2 0.4 172.3272 Bin Frequency 167 0.2 0.6 196.5928 144.1549 9 233 0.2 0.8 224.7651 172.3272 14 218 0.2 1 196.5928 6 258 224.7651 10 164 More 11 221 189 173 Value Observed FExpected Frequency (fo-fe)^2/fe 262 144.1549 9 10 0.1 123 172.3272 14 10 1.6 158 196.5928 6 10 1.6 151 224.7651 10 10 265 More 11 10 0.1 111 Calculated Chi-Squar 3.4 211 df 2 210 Benchmark 5.99 154 225 Fail to reject that this data is Normally Distributed with a mean of 184.46 246 and standard deviation of 47.88 216 179 167 222 262 113 75 151 243 94 187 1 4 . 5 8 9 3 2 7 6 M o r e 2 4 6 8 10 12 14 16 Column H...
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ch02_Solutions - 174 Sum 9223 178 144 150 Interval...

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