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What is data analysis?

Back

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

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What is a data display?

Back

A data display is a visual representation of data that helps to communicate information clearly and efficiently to users.

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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 (bins).

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What is a line plot?

Back

A line plot is a simple way to display data along a number line, showing the frequency of data points using Xs or dots.

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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.

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What is a stem-and-leaf plot?

Back

A stem-and-leaf plot is a method of displaying quantitative data in a graphical format, similar to a histogram, to retain the original data values.

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What does 'line of best fit' mean?

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The line of best fit is a straight line that best represents the data on a scatter plot, showing the trend of the data points.

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What is a misleading graph?

Back

A misleading graph is a visual representation of data that can lead to incorrect interpretations, often due to improper scaling or representation.

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What is the importance of starting a graph at zero?

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Starting a graph at zero is important to accurately represent the data and avoid exaggerating differences between values.

Front

What is the total number of people surveyed if 100 were reported?

Back

The total number of people surveyed is 100.