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bpp kit, Lodestar QUES 142- sampling

Forums › Ask ACCA Tutor Forums › Ask the Tutor ACCA AA Exams › bpp kit, Lodestar QUES 142- sampling

  • This topic has 4 replies, 2 voices, and was last updated 4 years ago by Kim Smith.
Viewing 5 posts - 1 through 5 (of 5 total)
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  • February 16, 2021 at 7:38 pm #610669
    draiells
    Member
    • Topics: 123
    • Replies: 141
    • ☆☆☆

    mam could you pleeeasee explain Why in the referenced ques, Option 4 isn’t correct? Isn’t stratification better to choose a more representative sample?

    February 17, 2021 at 2:57 am #610681
    draiells
    Member
    • Topics: 123
    • Replies: 141
    • ☆☆☆

    Your audit assistant has carried out a direct confirmation (a receivables circularisation) on trade receivables at
    Lodestar. She selected the 10 largest balances, representing 85% of the sales ledger at year end, including 2 items
    that were individually material. Seven customers agreed the sales ledger balance, two replied noting discrepancies
    which she has followed up and one has not replied.

    You are analysing the sample selection with regard to the direct confirmation.
    Which of the following statements in relation to the sample selection is TRUE?
    1. The sample is appropriate and, at 85% of the balance, gives good assurance about the overall
    balance.
    2.As 15% of the ledger balance has not been sampled, the sample is inappropriate.
    3.The sample selection does not address the risk of understatement as it has focused on the ten largest balances.
    4. The sample should have been stratified to provide a representative sample.

    February 17, 2021 at 8:49 am #610713
    Kim Smith
    Keymaster
    • Topics: 133
    • Replies: 8297
    • ☆☆☆☆☆

    What the assistant has done is effectively to have stratified the population into “biggest” and “other” – from which they selected 100% of the biggest – so this is not a sample (of that sub-population) – and 0% of the other – so this is not a sample (of that sub-population).

    A sample would have been representative if it had been selected randomly, using interval sampling or MUS – a population does not have to be stratified to obtain a representative sample. Rather, stratification makes the overall sample less representative because randomness is lost.

    Statement 3 is obviously true.

    February 27, 2021 at 11:17 am #611963
    draiells
    Member
    • Topics: 123
    • Replies: 141
    • ☆☆☆

    how is it that option 1 and 2, both being the complete opposite, so if 1 were false other shouldve been true right? Why is that not the case…………….

    February 27, 2021 at 11:38 am #611967
    Kim Smith
    Keymaster
    • Topics: 133
    • Replies: 8297
    • ☆☆☆☆☆

    They are not converse they are both untrue statements.

    Re 2 – de facto whatever % is represented by a sample, the opposite % is not sampled – that it not grounds for claiming that a sample is appropriate.

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