Data Analysis and Graphing

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What is data analysis?

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Data analysis is the process of inspecting, cleaning, and modeling data to discover useful information, inform conclusions, and support decision-making.

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What is a graph?

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A graph is a visual representation of data that shows relationships between different sets of information.

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What is a pictograph?

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A pictograph is a graph that uses pictures or symbols to represent data.

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What does a bar graph show?

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A bar graph shows data using rectangular bars to compare different categories.

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What is a line graph?

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A line graph is a type of graph that uses lines to connect data points, showing trends over time.

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What is the purpose of a legend in a graph?

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A legend explains what the symbols, colors, or patterns in a graph represent.

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What does it mean to interpret data?

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Interpreting data means analyzing the information presented in a graph or chart to understand what it tells us.

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What is the mode in a set of data?

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The mode is the number that appears most frequently in a data set.

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What is the median in a set of data?

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The median is the middle number in a data set when the numbers are arranged in order.

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What is the mean in a set of data?

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The mean is the average of a set of numbers, calculated by adding them all together and dividing by the number of values.