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15 Grade 8 Bil.
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are data that are organized into intervals or categories instead of listing each value separately.
Grouped data
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Horizontal axis (x-axis): midpoints Vertical axis (y-axis): frequency
Axes
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is a type of graph that uses points connected by straight lines to show how data changes over time or across values.
line graph
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a type of graph used in statistics to show how data is distributed.
frequency polygon
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Each interval is represented by its midpoint.
Midpoints
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are facts, numbers, or information that are collected for analysis.
data
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The number of data values in each interval.
Frequency
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These are groups of data (e.g., 0–10, 10–20, 20–30).
Class Intervals
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