Types of Data

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What is 'Numerical Data'?

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Numerical data refers to data that can be measured and expressed as numbers. Examples include age, height, and temperature.

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What is 'Categorical Data'?

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Categorical data refers to data that can be divided into groups or categories. Examples include favorite colors, types of pets, and survey responses.

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What does 'Change over time' mean in data collection?

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Change over time refers to data that shows how a particular measurement varies at different points in time. For example, tracking the number of cars passing a point every hour.

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Give an example of Numerical Data.

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An example of numerical data is the number of books a student reads in a month.

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Give an example of Categorical Data.

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An example of categorical data is the type of fruit a student prefers: apple, banana, or orange.

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What is the purpose of collecting data?

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The purpose of collecting data is to gather information that can be analyzed to understand patterns, make decisions, or solve problems.

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How can we represent Numerical Data visually?

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Numerical data can be represented visually using graphs such as bar graphs, line graphs, or histograms.

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How can we represent Categorical Data visually?

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Categorical data can be represented visually using pie charts or bar charts.

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What is a survey?

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A survey is a method of collecting data by asking people questions to gather their opinions or preferences.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes qualities or characteristics (like colors or names), while quantitative data involves numbers and measurements.