bryanmcmillianjr
01.08.2019 •
Mathematics
What is the interquartile range for the data set? 4 , 7, 7, 3, 5, 2, 6, 7, 9
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Ответ:
Lower quartile (xL): 3.5
Upper quartile (xU): 7
Interquartile range (xU-xL): 3.5
Ответ:
y=3x-2 y=-2x+8
3x-2=-2x+8 (plus 2 each side)
3x=-2x+6 (plus 2x each side)
5x=6 (divide by 5 each side)
x=1.2
Plug x back into an equation
y=3(1.2)-2
y=3.6-2
y=1.6
(1.2, 1.6)