Q.

Which of the following is not a measure of central tendency?

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a

Mode

b

Median

c

Class size

d

Mean

answer is D.

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Detailed Solution

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  • The central tendency measure is defined as the number used to represent the centre or middle of a set of data values.
  • Mean is the average or the most common value in a collection of numbers.
  • Mode is that observation which occurs at the maximum time or has the highest Frequency in the given set of data.
  • Median is the middle value of the given list of data when arranged in an order. 
  • Thus, the mean or average, median or the central value, and mode represent the measure of central tendency.
  • Class size gives the difference between the upper limit and lower limit of a particular class of the given data.
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