(c) A manufacturer of television tubes has two types of tubes, A and B. Respectively, the tubes have mean life time of X, = 1495 hours and X, = 1875 hours, and standard deviations of &, 280 hours and &3 = 310 hours. Which tube has the greater (i) absolute dispersion and (ii) relative dispersion? %3D %3D %3D

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(c) A manufacturer of television tubes has two types of tubes, A and B. Respectively, the
tubes have mean life time of X, = 1495 hours and X, = 1875 hours, and standard
deviations of &, 280 hours and &3 = 310 hours. Which tube has the greater (i)
absolute dispersion and (ii) relative dispersion?
%3D
%3D
%3D
Transcribed Image Text:(c) A manufacturer of television tubes has two types of tubes, A and B. Respectively, the tubes have mean life time of X, = 1495 hours and X, = 1875 hours, and standard deviations of &, 280 hours and &3 = 310 hours. Which tube has the greater (i) absolute dispersion and (ii) relative dispersion? %3D %3D %3D
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