Mathematics for IGCSE & O level - Categorical, Numerical And Grouped Data (Section 8 - No. 33)
If the mean is 25, the median is 20, and the mode is 18, what type of skewness is present?
Symmetrical
Right (positive)
Left (negative)
Bimodal
คำอธิบาย
Mean > Median > Mode indicates positive skewness.