Question

If the quartile deviation of x is 8 and 3x + 6y = 20, then the quartile deviation of vis
(a) 4
(b) 3
(c)5
(d)4
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Answer 1

Answer:

3x + 6y = 20

3(8)+6g=20

24+6y=20

6y=20-24

y=-4/6

y=-2/3

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