RESEARCH METHODOLOGY

METHODS OF DATA ANALYSIS

MEASURES OF DISPERSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What measure of center is best to use when we have outliers?
A
mean
B
median
C
mode
D
range
Explanation: 

Detailed explanation-1: -The median is the most informative measure of central tendency for skewed distributions or distributions with outliers.

Detailed explanation-2: -For distributions that have outliers or are skewed, the median is often the preferred measure of central tendency because the median is more resistant to outliers than the mean.

Detailed explanation-3: -Scatter plots and box plots are the most preferred visualization tools to detect outliers. Scatter plots-Scatter plots can be used to explicitly detect when a dataset or particular feature contains outliers.

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