Finding a Percentile Point
from Grouped Frequency Data
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Grouped Frequency Data
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Formula for the Percentile Point: YP
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Formula for the Percentile Point: p
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Formula for the Percentile Point: n
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Formula for the Percentile Point: YL
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2
Formula for the Percentile Point: cfb
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Formula for the Percentile Point: i
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Formula for the Percentile Point: fi
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Finding the Score at the
50th Percentile Point
Y.50
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Example Data
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Preparing to Use the Formula
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Preparing to Use the Formula
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Preparing to Use the Formula
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Preparing to Use the Formula
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Preparing to Use the Formula
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Preparing to Use the Formula
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Preparing to Use the Formula
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Preparing to Use the Formula
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PEMDAS: Order of Operations
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Solving the Formula
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Solving the Formula
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Solving the Formula
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Solving the Formula
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The 50th Percentile Point
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Finding the Score at the
25th Percentile Point
Y.25
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Preparing to Use the Formula
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Preparing to Use the Formula
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Preparing to Use the Formula
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Preparing to Use the Formula
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Preparing to Use the Formula
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Preparing to Use the Formula
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Solving the Formula
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The 25th Percentile Point
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