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Measures of central tendency — Statistics STD 11 Commerce — Question

Gujarat BoardEnglish MediumSTD 11 CommerceStatisticsMeasures of central tendency1 Mark
Question
Write the empirical formula of Karl Pearson for finding mode.
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Answer

Karl Pearson's empirical formula for finding mode is as follows :
$Z=3 M-2 x$
where $Z=$ mode,$M=$ median, $\bar{x}=$ mean

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