Summarize 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, such as types of pets, colors, or brands.

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What is relative frequency?

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Relative frequency is the ratio of the number of times a category occurs to the total number of observations, often expressed as a fraction or percentage.

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How do you calculate relative frequency?

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Relative frequency = (Number of occurrences of a category) / (Total number of observations).

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What is a frequency table?

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A frequency table is a table that displays the number of occurrences of each category in a dataset.

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What is a bar graph?

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A bar graph is a visual representation of data using bars to show the frequency or relative frequency of different categories.

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What does it mean to summarize data?

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Summarizing data means to provide a concise overview of the main features of a dataset, often using statistics like mean, median, mode, or percentages.

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What is a percent bar graph?

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A percent bar graph is a type of bar graph that shows the percentage of each category relative to the total.

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What is a good summary of data?

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A good summary of data accurately reflects the main trends and characteristics of the dataset without misleading information.

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What does it mean if a statement about data is misleading?

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A misleading statement about data presents information in a way that can lead to incorrect conclusions or interpretations.

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How can you determine if a statement about data is accurate?

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To determine if a statement is accurate, compare it with the actual data and calculations from the dataset.