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03-06-2020
Mathematics

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(Mark 1) Frequency x+2
(Mark2) Frequency x+1
(Mark3) Frequency x+5
(Mark4) Frequency 2x-5
(Mark5) Frequency x-1
If the average
the to 3 sf
mark is
73 /25Find
a) The variance
b) The Standard deviation
c( Coefficient of Variation
100 points to be given to the correct answer

Mark 1 Frequency x2Mark2 Frequency x1Mark3 Frequency x5Mark4 Frequency 2x5Mark5 Frequency x1If the averagethe to 3 sfmark is73 25Finda The varianceb The Standar class=

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03-06-2020

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