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Geographical Skills

Using numerical and statistical information as evidence

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Overview

Numerical against statistical information, common development statistics, rates such as birth rate, calculating population density, what a figure needs to count as evidence, comparing different years, and indices such as the Human Development Index.

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Key term

What is the difference between numerical and statistical information?

Key term

Give four statistics commonly used to compare countries.

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What is the difference between numerical and statistical information?

    Model answer

    Numerical information is the raw figures themselves, while statistical information is what has been worked out from them, such as an average, a percentage or a rate.

  2. 2

    Why is numerical evidence stronger than a general impression?

    Model answer

    It can be measured, compared and checked by somebody else, whereas an impression cannot.

  3. 3

    Give four statistics commonly used to compare countries.

    Model answer

    Birth rate, life expectancy, gross national income per head and population density.

  4. 4

    What is a rate, as used in a measure such as birth rate?

    Model answer

    A count of events per fixed number of people or per unit of time, which lets places of different size be compared fairly.

  5. 5

    Why is population density more useful than total population when two countries are compared?

    Model answer

    It allows for the area they cover, showing how crowded each one is rather than merely how many people live there.

  6. 6

    How is population density calculated?

    Model answer

    The total population is divided by the area, giving a figure in people per square kilometre.

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