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Table 2: Overall composition of 150 lithic scatters, grouped into 12 data quality and period sets

Data quality and period sets Number of lithic scatters Number and percentage of lithic scatters within each grouping Number of lithics Number of artefacts per lithic scatter
    1 2-5 6-10 11-25 26-50 51+   Mean Mode Median
ME 56 16 24 6 6 1 3 475 8.4 1 3
    28.50% 42.80% 10.70% 10.70% 1.70% 5.30%     
EM 66 24 23 7 7 3 2 889 13.4 1 2
    36.30% 34.80% 10.60% 10.60% 4.50% 3.00%     
LM 45 15 10 7 7 2 4 620 13.7 1 3
    33.30% 22.20% 15.50% 15.50% 4.40% 8.80%     
LM/EN 49 12 21 3 6 3 4 868 17.7 1 3
    24.40% 42.80% 6.10% 12.20% 6.10% 8.10%     
EN 106 28 25 9 11 15 18 5808 54.7 1 5.5
    26.40% 23.50% 8.40% 10.30% 14.10% 16.90%     
EN/MN 82 28 17 7 15 7 8 1814 22.1 1 3
    34.10% 20.70% 8.50% 18.20% 8.50% 9.70%     
MN/LN 51 12 13 4 10 6 6 1019 19.9 1 8
    23.50% 25.40% 7.80% 19.60% 11.70% 11.70%     
LN 53 7 17 10 8 5 6 846 15.9 2 6
    13.20% 32.00% 18.80% 15.00% 9.40% 11.30%     
BK 17 6 6 2 1 1 1 142 8.3 1 2
    35.20% 35.20% 11.70% 5.80% 5.80% 5.80%     
LN/EB 44 14 16 5 5 3 1 344 7.8 1 3
    31.80% 36.30% 11.30% 11.30% 6.80% 2.20%     
EB/MB 30 15 10 1 4 0 0 114 3.8 1 1.5
    50.00% 33.30% 3.30% 13.30% 0.00% 0.00%     
MB/LB 2 1 1 0 0 0 0 3 1.5 NA 1.5
    50.00% 50.00% 0.00% 0.00% 0.00% 0.00%     
Totals 601 178 183 61 80 46 53 12942    
    29.60% 30.40% 10.10% 13.30% 7.60% 8.80%     

Abbreviations: ME – Mesolithic, EM – early Mesolithic, LM – later Mesolithic, LM/EN – later Mesolithic and/or earlier Neolithic, EN – earlier Neolithic, EN/MN – earlier Neolithic and/or middle Neolithic, MN/LN – middle Neolithic and/or later Neolithic, LN – later Neolithic, LN/EB – indeterminate later Neolithic or early Bronze Age, BK – Beaker, EB/MB – indeterminate early Bronze Age or middle Bronze Age, MB/LB – indeterminate middle Bronze Age or later Bronze Age.

Note that this table does not include the survey lithic data from the Shapwick Project (Bond 2007a and the Fry's Hill survey (Everton 1970; 1978).