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Comparative stem and leaf diagram of error lines
Member rating: No Rating | Words: | Submitted: Thu Nov 03 2005
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Comparative stem and leaf diagram of error lines Key: 0 4=0.4 cm Year 7: 0.4, 0.4, 0.6, 0.6, 0.6, 0.6, 0.9, 1.4 Year 11: 0.4, 0.6, 0.6, 0.6, 0.6, 0.9, 0.9, 1.6 Year7 Mode: 0.6 cm Median: 0.6 cm Lower quartile: 0.5 cm Upper quartile: 0.75 cm Interquartile range: 0.75-0.5=0.25 cm Semi-interquartile range: 0.25÷2=0.125 cm Year 11 Mode: 0.6 cm Median: 0.6 cm Lower quartile: 0.6 cm Upper quartile: 0.9 cm Interquartile range: 0.9-0.6=0.3 cm Semi-interquartile range: 0.3÷2=0.15 cm Aware to on track with my second hypothesis and to avoid endless diagrams, I've only chosen year 7(youngest) and 11(oldest) for this interpretation. Year 7 had smaller values than the year 11. There was 25% of year 7 who were 0.4 cm away from the actual line whilst 12.5% of year 11 was at this category. The two year groups both had 50% of people who were 0.6 cm away from the actual line. However, 25% of year 11 were 0.9 cm within whilst 12.5% of year 7 were...
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