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Category > Statistics Posted 13 Jun 2017 My Price 3.00

An antipollution device for cars is claimed to have an average effectiveness

An antipollution device for cars is claimed to have an average effectiveness of exactly 546. Based on a test of 20 such devices, you find that X = 565. Assuming normality and that σ = 40, would you rule out the claim with a Type I error probability of 0.05?

 

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Alpha Geek
(8)
Status NEW Posted 13 Jun 2017 08:06 AM My Price 3.00

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file 1497342225-Answer.docx preview (87 words )
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