Notes Pearson Progression Step Q Scheme Marks AOs and Progress descriptor 6a 3rd There are a very large number of bags. B1 2.4 Comment on the Bags are tested to destruction would be no bags left. B1 2.4 – advantages and disadvantages of samples and censuses. (2) 6b 3rd One is less than 12 kg B1 2.4 Comment on the therefore claim is not reliable. B1 2.3 advantages and disadvantages of samples and censuses. (2) 6c 3rd Different samples can lead to different conclusions due to B1 2.3 natural variations. Comment on the advantages and Only a small sample taken so unreliable. 2.3 B1 disadvantages of samples and censuses. (2) 6d 3rd Larger sample. B1 2.4 Comment on the advantages and disadvantages of samples and censuses. (1) (7 Notes
Notes Q Scheme Marks AOs Pearson Progression Step and Progress descriptor 6a There are a very large number of bags. B1 2.4 3rd Comment on the advantages and disadvantages of samples and censuses. Bags are tested to destruction – would be no bags left. B1 2.4 (2) 6b One is less than 12 kg B1 2.4 3rd Comment on the advantages and disadvantages of samples and censuses. therefore claim is not reliable. B1 2.3 (2) 6c Different samples can lead to different conclusions due to natural variations. B1 2.3 3rd Comment on the advantages and disadvantages of samples and censuses. Only a small sample taken so unreliable. B1 2.3 (2) 6d Larger sample. B1 2.4 3rd Comment on the advantages and disadvantages of samples and censuses. (1) (7 Notes
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