Economics · Statistical Measures
Which one of the following statements is false?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Arithmetic mean is used to measure the deviations in calculating standard deviation due to its least squares property.
- 2The Z-score value of 'X' is the ratio between 'X' divided by mean X.✓
- 3The coefficient of variation is calculated as: σx̄ × 100
- 4Standard deviation can be equal to zero in some situations.
Correct answer
The Z-score value of 'X' is the ratio between 'X' divided by mean X.
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