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Chapter 5 · Data Analysis: A Concise Overview of Statistical Techniques · Slide 158/274

Frequencies and Relative Frequencies

Frequency distribution indicates, for each value, how often it occurs in the data.

5.1.1 · Organizing Qualitative Data Tables

Frequencies and Relative Frequencies

Collected data · Favorite color (n = 26)

Frequency distribution indicates, for each value, how often it occurs in the data.

Relative frequency shows the proportion (or percentage) of observations for a value.

Favorite colorFrequencyRelative Frequency
blue1010/26 ≈ 0.38
red33/26 ≈ 0.12
orange11/26 ≈ 0.04
yellow33/26 ≈ 0.12
green55/26 ≈ 0.19
pink33/26 ≈ 0.12
purple11/26 ≈ 0.04
Total261.00
QUESTIONSTAR · Dr. Paul Marx 158 / 274
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