Basics of Biostatistics · Zoology

Which measure indicates how spread out the data values are?

  1. Average of all data values
  2. Middle value in ordered data
  3. Average squared deviation from the mean
  4. Most frequently occurring value
Show answer and explanation

Correct answer: Average squared deviation from the mean

Variance measures the average squared deviation from the mean. It reflects the degree of dispersion in a data set.

Difficulty: Medium Question 6 of 20

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