True about the hypothesis test
For a one-tailed hypothesis test, the critical z-value of the test statistic is -2.33. Which of the following is true about the hypothesis test?
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If the distribution is approximately normal, the t-test is a more powerful test about the central tendecy of the distribution than the sign test. True or false?
What would be the effect on the amplitude of the absolute machine oscillation if the mounts were replaced with new ones which have the same effective spring constant but twice the effective damping coefficient?
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The maximum safe current in a copper wire with a diameter of3.0 mm is about 20. amperes. In a STM, a current of 7.5x10-10 Apasses from the tip to the surface in a filament of diameter appox1.5 nm.
Quinine in a 1.664 g antimalarial tablet was dissolved insufficient 0.10 M HCl to give 500 mL of solution . A 20.00 mLaliquot was then diluted to 100.o mL with the acid.
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Carotenoids, present in all organisms capable of photosynthesis, extend the range of light absorbed by the organism. They exhibit maximal capacity for absorption of light in the range of 440-470nm.
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