Math 4 - 5.2 Categorical Data

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What is categorical data?

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Categorical data refers to data that can be divided into specific categories or groups, often represented by labels or names.

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What is numerical data?

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Numerical data refers to data that can be measured and expressed numerically, allowing for mathematical operations.

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Give an example of categorical data.

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An example of categorical data is 'Favorite Food', which can include categories like pizza, sushi, and burgers.

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Give an example of numerical data.

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An example of numerical data is 'Age', which can be expressed in years.

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What type of data is 'Distance from School'?

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Distance from School is numerical data, as it can be measured in units such as miles or kilometers.

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How can you determine the number of females who prefer baseball from survey data?

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You can determine this by counting the responses from females in the survey who selected baseball as their preferred sport.

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What does it mean if a survey question asks about preferences?

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It means the question is seeking categorical data, as it aims to categorize respondents based on their choices.

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What is the total number of males who like to play sports if the survey indicates 48?

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The total number of males who like to play sports is 48, as stated in the survey results.

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How do you differentiate between categorical and numerical data?

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Categorical data is qualitative and describes characteristics, while numerical data is quantitative and represents measurable quantities.

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What is the significance of understanding categorical data in surveys?

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Understanding categorical data helps in analyzing preferences and trends among different groups.