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In a positively skewed distribution, the tail extends to the right, pulling the mean higher than the median. This occurs because extreme high values disproportionately influence the mean compared to the median, which is less sensitive to outliers. For example, income data often exhibits positive skewness because a few individuals earn much more than the majority. Understanding skewness helps in choosing the right statistical methods for analysis, as normality assumptions might not hold. Why Other Options Are Wrong : A) Normally distributed data has the mean and median roughly equal. C) Negative skewness occurs when the tail extends to the left, causing the median to exceed the mean. D) Outliers often cause skewness; their absence suggests symmetry. E) The mode can vary and isn’t always lower than the mean in skewed data.
Select the wrongly spelt word.
He is a sincere friend who always tells the truth.
A Speech made for the first time In a public gathering
QUAGMIRE
Successive (A) empirical research studies have shown that higher punishment (B) has little intact (C) on lowering (D) crime rates.
...Select the most appropriate antonym of the bold word in a sentence.
Throughout the evening, Rahul looked very doleful .
The management (A) is hopping (B) that employees (C) will inspire (D) each other to cycle to work.
...Find the word with the appropriate similar meaning of the word in Italic from the options given:
The team worked on the project with zeal .
...Select the most appropriate meaning of the given word
Noble
Choose the one which best expresses the meaning of the given word .
Transitory
