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Stats Lab 2B Study Notes

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Department
Biology
Course
Biology 2244A/B
Professor
Nusha Keyghobadi
Semester
Fall

Description
SORT CASES BY Method. SPLIT FILE SEPARATE BY Method. FREQUENCIES VARIABLES=Heads /NTILES=4 /STATISTICS=STDDEV VARIANCE RANGE MINIMUM MAXIMUM MEAN MEDIAN MODE SKEWNESS SESKEW /HISTOGRAM /ORDER=ANALYSIS. Frequencies Notes Output Created 06-Oct-2011 14:37:36 Comments Input Active Dataset DataSet0 Filter Weight Split File S = simulated O = observed N of Rows in Working Data 88 File Missing Value Handling Definition of Missing User-defined missing values are treated as missing. Cases Used Statistics are based on all cases with valid data. Syntax FREQUENCIES VARIABLES=Heads /NTILES=4 /STATISTICS=STDDEV VARIANCE RANGE MINIMUM MAXIMUM MEAN MEDIAN MODE SKEWNESS SESKEW /HISTOGRAM /ORDER=ANALYSIS. Resources Processor Time 00 00:00:00.422 Elapsed Time 00 00:00:00.500 [DataSet0] S = simulated O = observed = o a Statistics Count of the number of heads N Valid 44 Missing 0 Mean 24.93 Median 25.00 Mode 27 Std. Deviation 2.671 Variance 7.135 Skewness -.207 Std. Error of Skewness .357 Range 14 Minimum 18 Maximum 32 Percentiles 25 23.00 50 25.00 75 27.00 a. S = simulated O = observed = o a Count of the number of heads Cumulative Frequency Percent Valid Percent Percent Valid 18 1 2.3 2.3 2.3 20 1 2.3 2.3 4.5 21 3 6.8 6.8 11.4 22 3 6.8 6.8 18.2 23 4 9.1 9.1 27.3 24 7 15.9 15.9 43.2 25 5 11.4 11.4 54.5 26 5 11.4 11.4 65.9 27 9 20.5 20.5 86.4 28 5 11.4 11.4 97.7 32 1 2.3 2.3 100.0 Total 44 100.0 100.0 a. S = simulated O = observed = o S = simulated O = observed = s
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