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Quantitative & Qualitative Skills (AQA A Level Geography)

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  • Define the term quantitative data.

    Quantitative data is measurable information that can be expressed by numbers or placed into specific categories.

  • What is qualitative data?

    Qualitative data is descriptive information, usually written, that presents features in an intuitive way.

  • True or False?

    Primary data is collected first-hand, usually during fieldwork.

    True.

    Primary data is collected first-hand, usually during fieldwork.

  • Define continuous data.

    Continuous data is numerical data that can take any value within a given range.

  • What is a mass balance?

    A mass balance is the input, output, and distribution of water or carbon between its flows and transfers within each stage of the system.

  • State the equation for calculating percentage change.

    P e r c e n t a g e space c h a n g e space equals fraction numerator left parenthesis f i n a l space v a l u e space minus space o r i g i n a l space v a l u e over denominator o r i g i n a l space v a l u e end fraction space cross times space 100 space

  • What is the interquartile range (IQR)?

    The interquartile range (IQR) is the difference between the upper quartile (UQ) and lower quartile (LQ) of a dataset.

  • Define the standard deviation.

    Standard deviation is a measure of dispersion in a dataset, calculated using the formula:

     bold italic sigma bold space bold equals square root of fraction numerator bold capital sigma bold space stretchy left parenthesis x space minus space x with bar on top stretchy right parenthesis to the power of bold 2 over denominator bold n end fraction end root

  • What is Spearman's rank correlation coefficient?

    Spearman's rank correlation coefficient is a statistical test to determine if two sets of numbers have a relationship, with values ranging from -1 to +1.

  • Define the term big data.

    Big data are large datasets that need computational manipulation to show trends, patterns, and subsequent links.

Previous:Water, Carbon & Life on EarthNext:Deserts as Natural Systems

    1. Topic 1

      The Water Cycle

    2. Topic 2

      The Carbon Cycle

    3. Topic 3

      Water, Carbon & Life on Earth

    4. Topic 4

      Quantitative & Qualitative Skills

    1. Topic 1

      Deserts as Natural Systems

    2. Topic 2

      Desert Systems & Processes

    3. Topic 3

      Arid Landscape Development

    4. Topic 4

      Desertification

    5. Topic 5

      Quantitative & Qualitative skills

    1. Topic 1

      Coasts as Natural Systems

    2. Topic 2

      Coastal Systems & Processes

    3. Topic 3

      Coastal Landscape Development

    4. Topic 4

      Coastal Management

    5. Topic 5

      Quantitative & Qualitative skills

    1. Topic 1

      Glaciers as Natural Systems

    2. Topic 2

      The Nature & Distribution of Cold Environments

    3. Topic 3

      Glacial Systems & Processes

    4. Topic 4

      Glaciated Landscape Development

    5. Topic 5

      Human Impacts on Cold Environments

    6. Topic 6

      Quantitative & Qualitative skills

    1. Topic 1

      The Concept of Hazards

    2. Topic 2

      Plate Tectonics

    3. Topic 3

      Volcanic Hazards

    4. Topic 4

      Seismic Hazards

    5. Topic 5

      Storm Hazards

    6. Topic 6

      Fires in Nature

    1. Topic 1

      Ecosystems & Sustainability

    2. Topic 2

      Ecosystems & Processes

    3. Topic 3

      Biomes

    4. Topic 4

      Ecosystems in the British Isles

    5. Topic 5

      Marine Ecosystems

    6. Topic 6

      Local Ecosystems

    1. Topic 1

      Globalisation

    2. Topic 2

      Global Systems

    3. Topic 3

      International Trade & Access to Markets

    4. Topic 4

      Global Governance

    5. Topic 5

      The Global Commons

    6. Topic 6

      Antarctica as a Global Common

    7. Topic 7

      Globalisation Critique

    1. Topic 1

      The Nature & Importance of Places

    2. Topic 2

      Relationships & Connections

    3. Topic 3

      Meaning & Representation

    4. Topic 4

      Quantitative & Qualitative skills

    1. Topic 1

      Urbanisation

    2. Topic 2

      Urban Forms

    3. Topic 3

      Urban Social & Economic Issues

    4. Topic 4

      Urban Climate

    5. Topic 5

      Urban Drainage

    6. Topic 6

      Urban Waste & Disposal

    7. Topic 7

      Other Contemporary Urban Issues

    8. Topic 8

      Sustainable Urban Development

    1. Topic 1

      Population & the Environment

    2. Topic 2

      Environment, Health & Well-Being

    3. Topic 3

      Population Change

    4. Topic 4

      Population Ecology

    5. Topic 5

      Global Population Futures

    1. Topic 1

      Resource Development

    2. Topic 2

      Natural Resource Issues

    3. Topic 3

      Water Security

    4. Topic 4

      Energy Security

    5. Topic 5

      Mineral Security

    6. Topic 6

      Resource Futures