Data Visualization

What are the two main types of data that we might encounter?

• Numerical and categorical

• Quantitative and qualitative

• Continuous and discrete

• Ordinal and interval

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Which type of data has a meaningful order and consistent spacing?

• Categorical data

• Quantitative data

• Numerical data

• Ordinal data

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What is the simplest way to display categorical data?

• Frequency table

• Histogram

• Scatter plot

• Box plot

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What does a relative frequency table show?

• The number of data points in each category

• The percentage of data points in each category

• The mean and standard deviation of the data

• The range and median of the data

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Which type of chart is useful for visually displaying one variable?

• Bar chart

• Pie chart

• Pictograph

• Histogram

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What is the purpose of binning in quantitative data?

• To create categories for the data

• To calculate the mean and standard deviation

• To determine the range and median

• To compare frequencies of different variables

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What can a histogram tell us about the data?

• The exact values of the data points

• The mode and median of the data

• The spread and distribution of the data

• The correlation between two variables

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What can be misleading in a pictograph?

• The size of the pictures

• The color of the pictures

• The labels on the x-axis

• The spacing between the bars

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What is the purpose of a contingency table?

• To compare frequencies of multiple variables

• To calculate the mean and standard deviation

• To determine the range and median

• To display the distribution of quantitative data

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What should we be cautious of when interpreting visualizations?

• The scale of the axes

• The color scheme used

• The font size of the labels

• The background design of the graph

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