ANALYZING DATA VISUALIZATION

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What is data visualization?

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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 circle graph (pie chart)?

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A circle graph, or pie chart, is a circular statistical graphic divided into slices to illustrate numerical proportions. Each slice represents a category's contribution to the total.

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How do you calculate the percentage of a category in a circle graph?

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To calculate the percentage of a category in a circle graph, divide the number of responses for that category by the total number of responses, then multiply by 100.

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What does a box plot represent?

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A box plot, or whisker plot, summarizes a set of data by displaying the minimum, first quartile, median, third quartile, and maximum.

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What is the median in a data set?

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The median is the middle value of a data set when it is ordered from least to greatest. If there is an even number of observations, the median is the average of the two middle numbers.

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What is the purpose of analyzing data?

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The purpose of analyzing data is to extract meaningful insights, identify patterns, and make informed decisions based on the information.

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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 rather than from explicit statements.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities and is often non-numerical, while quantitative data is numerical and can be measured.

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What is a trend in data visualization?

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A trend is a general direction in which something is developing or changing, often identified through data analysis over time.

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How can you determine the highest satisfaction rate from a graph?

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To determine the highest satisfaction rate from a graph, look for the highest value or percentage indicated for the satisfaction category among the options presented.