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NOREENFAYE19IN
Answered

1. Which measures of variability is considered most unreliable? *
A. Range
B. Variance
C. Mean Absolute Deviation
D. Standard deviation
2. What refers to the average of the squared deviations from the mean?
A. Co-efficient of variation
B. Variance
C. Mean Absolute Deviation
D. Standard deviation
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Sagot :

SALAMATSAYOIN

Answer:

  • 1. A. Range
  • Because the range does not consider all the scores in the distribution, it often does not give an accurate description of the variability for the entire distribution
  • 2. D. Standard Deviation
  • The average squared deviation from the mean is also known as the variance

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