Pareto Charts, Time Series, Bar, Stem & Leaf & Pie graphs

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What is a Pareto Chart?

Back

A Pareto Chart is a bar graph that represents the frequency or impact of problems in a process, arranged in descending order. It helps identify the most significant factors contributing to an issue.

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What type of graph is best for displaying stock performance over time?

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Time Series Graph.

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What is a Time Series Graph?

Back

A Time Series Graph is a graphical representation of data points in time order, often used to track changes over time.

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What is a Bar Graph?

Back

A Bar Graph is a chart that presents categorical data with rectangular bars, where the length of each bar is proportional to the value it represents.

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What is a Stem-and-Leaf Plot?

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A Stem-and-Leaf Plot is a method of displaying quantitative data in a graphical format, similar to a histogram, that retains the original data values.

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What is a Pie Chart?

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A Pie Chart is a circular statistical graphic divided into slices to illustrate numerical proportions, where each slice represents a category's contribution to the whole.

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How do you calculate the percentage of a group?

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Percentage = (Number of favorable outcomes / Total number of outcomes) x 100.

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If 11 out of 25 students chose pizza as their favorite food, what percentage chose pizza?

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44%.

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What is the purpose of a Stem-and-Leaf Plot?

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To display quantitative data while preserving the original data values, allowing for easy visualization of the distribution.

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How do you interpret a Bar Graph?

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By comparing the lengths of the bars, you can determine the relative sizes of the categories represented.