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Use of Data

Interpreting data and normative comparisons

  • 3 things to know
  • Components 1 and 2

Overview

Trends and anomalies, worked means, ranges, medians, modes and percentage changes, and comparing a fitness test result against normative data.

What you need to know

Answer each one before you reveal it.

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Key term

What is an anomaly in a set of results, and how should one be handled?

Key term

Five students score 32, 35, 38, 41 and 44 in the one-minute sit-up test. What are the mean and the range?

Key term

What does interpreting data mean?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What does interpreting data mean?

    Model answer

    Interpreting data means working out what the results show. An interpretation describes the trends and patterns and suggests reasons for them.

  2. 2

    What is a trend in a set of data?

    Model answer

    A trend is the general direction in which data moves over time. A resting heart rate that falls each week of a programme shows a downward trend.

  3. 3

    What is an anomaly in a set of results?

    Model answer

    An anomaly is a result that does not fit the pattern of the others. A very slow sprint time caused by a slip would be an anomaly.

  4. 4

    How should an anomalous result be dealt with?

    Model answer

    The anomaly should be identified and a reason suggested. The anomaly is usually left out of an average, or the test is repeated.

  5. 5

    How is a mean calculated?

    Model answer

    The mean is the total of all the values divided by the number of values. The mean gives a typical result for the group.

  6. 6

    What is the range of a set of data?

    Model answer

    The range is the highest value minus the lowest value. The range shows how spread out the results are.

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