Types of data

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What is quantitative data?

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Quantitative data refers to numerical information that can be measured and expressed mathematically, such as percentages, scores, and counts.

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What is qualitative data?

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Qualitative data refers to non-numerical information that describes characteristics or qualities, such as preferences, opinions, or categories.

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What is the difference between categorical and numerical data?

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Categorical data represents categories or groups (qualitative), while numerical data represents measurable quantities (quantitative).

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What does it mean for data to change over time?

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Data that changes over time refers to information that is collected at different points in time, allowing for analysis of trends and patterns.

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Give an example of quantitative data.

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An example of quantitative data is the percentage of endangered animals in a specific region.

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Give an example of qualitative data.

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An example of qualitative data is a person's favorite movie.

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What is time series data?

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Time series data is a sequence of data points collected or recorded at successive points in time, often used to analyze trends.

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CCSS.6.SP.A.3

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What are the two main types of data in statistics?

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The two main types of data in statistics are quantitative data and qualitative data.

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How can numerical data be represented visually?

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

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What is the significance of understanding data types in statistics?

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Understanding data types is crucial for selecting appropriate statistical methods and accurately interpreting results.

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CCSS.HSS.ID.A.4