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Data Recording, Analysis and Presentation

Raw data tables, standard form and decimal form

  • 3 things to know
  • Component 01

Overview

Recall questions on raw data and what a raw data table contains, separating summary tables, stating units in column headings, and converting values between standard form and decimal form.

What you need to know

Answer each one before you reveal it.

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Key term

What is raw data?

Key term

What should a well-designed raw data table contain?

Key term

Why is a summary table presented separately from the raw data table?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What is raw data?

    Model answer

    The untreated scores or observations recorded directly from participants, before any calculation or summarising has been carried out.

  2. 2

    What should a well-designed raw data table contain?

    Model answer

    An informative title, clearly labelled rows and columns including any units, and one entry for each participant's score in each condition.

  3. 3

    Why is a summary table presented separately from the raw data table?

    Model answer

    The raw data table shows every original score, whereas the summary table condenses those scores into descriptive statistics such as the mean and standard deviation.

  4. 4

    Why should the units of measurement be stated in the column headings rather than beside every score?

    Model answer

    It keeps the table uncluttered and makes clear that every value in the column is measured in the same unit.

  5. 5

    What is standard form?

    Model answer

    A way of writing a number as a value between 1 and 10 multiplied by a power of ten.

  6. 6

    Express 0.00047 in standard form.

    Model answer

    It is 4.7 × 10⁻⁴.

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