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Mathematics, 09.04.2021 04:20 driskell3

39. If x and y are related as 3x+4y = 20 and the quartile deviation of x is 12, then the quartile deviation of y is
(a) 16
(b) 14
(c) 10
(d) 9.
hers is a then the value of nā€‹

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39. If x and y are related as 3x+4y = 20 and the quartile deviation of x is 12, then the quartile d...
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