ANALYZING DATA VISUALIZATION

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What is data visualization?

Back

Data visualization is the graphical representation of information and data. By using visual elements like charts, graphs, and maps, data visualization tools provide an accessible way to see and understand trends, outliers, and patterns in data.

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What is a pie chart?

Back

A pie chart is a circular statistical graphic that is divided into slices to illustrate numerical proportions. Each slice represents a category's contribution to the whole.

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What does the x-axis typically represent in a graph?

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The x-axis typically represents the independent variable in a graph, often showing time or categories.

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What does the y-axis typically represent in a graph?

Back

The y-axis typically represents the dependent variable in a graph, showing the values or measurements that depend on the independent variable.

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How can you determine the difference between two percentages in a pie chart?

Back

To determine the difference between two percentages in a pie chart, subtract the smaller percentage from the larger percentage.

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What is a bar graph?

Back

A bar graph is a chart that presents categorical data with rectangular bars. The length of each bar is proportional to the value it represents.

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What is the purpose of a line graph?

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A line graph is used to display information that changes over time. It shows trends by connecting data points with a line.

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What is an inference in data analysis?

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An inference is a conclusion reached based on evidence and reasoning from the data presented.

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What does it mean if data is symmetrical?

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If data is symmetrical, it means that the left and right sides of the data distribution are mirror images of each other.

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What is a histogram?

Back

A histogram is a type of bar graph that represents the frequency distribution of numerical data, showing how many data points fall within specified ranges.