5 que
i) Find the Quartile deviation of the following data: 3, 16, 8, 15, 19, 11, 5, 17,9,5,3.
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Step-by-step explanation:
P(x>21)=P(Z>(21−30)/4)=P(Z>−2.25)=0.9878
The value 0.9878 is taken from table.
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