McNally's Statistical Constant: No set of statistics can be more than 6.25% accurate(adsbygoogle = window.adsbygoogle || []).push({});

This may be represented by the mathematical equation -

A(SS) = A(D) x E(M) x B(J -->N) x I(I <--N)

Where

A(SS) is the ACCURACY of any (SET ofSTATISTICS)

A(D) is the ACCURACY of the (DATA) from which they were developed

NOTE: DATA is either accurate or it is not, so this factor is always = 50%]

E(M) is the ERROR of the (METHODOLOGY) used to select the data

NOTE: METHODOLOGY is either in error or it is not, so this factor is also always = 50%]

B(J -->N) is the BIAS of the (JERK who conjures the NUMBER)

NOTE: The JERK is either BIASED or he is not, so this factor is also always = 50%]

I(I <--N) is the INTERPRETATION of the (IDIOT who uses the NUMBER)

NOTE: The IDIOT is either fooled by the NUMBER or he is not, so this factor is also always = 50%]

Given the above

A(SS ) = 50% x 50% x 50% x 50% = 6.25%

CONCLUSION: The next time someone spouts statistics to you be sure to question their A(SS )

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# Statistical Constant

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