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Question: Which of the following statement(s) is/are true ?
I. Mode is the measure of central tendency used in exploratory data analysis (EDA).
II. Extremely low data value in the data set can be considered as an outlier.
III. Percentiles are the same as percentages.


A ) II only
B ) I, II and III only
C ) II and III only
D ) I and III only

Steps to derive

1 The measure of central tendency used in EDA is the median and not the mode.

2 An outlier is an extremely high or an extremely low data value when compared with the rest of the data values in the data set.

3 Percentile = (number of values below X)+0.5total number of values · 100%

4 So, percentiles are position measures to indicate the position of an individual in a group.



Hence the right answer is Option A

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