Let?s say that the average tonnage of cargo cleared at Yanbu Seaport was 800,000 tons per day and the daily average over the last 5 years on had been 750,000. Is the tonnage of cargo received last week significantly different from what was typical over the last 5 years? Use the following formula where ? = 120,000 and n = 36, state the null hypothesis and make you clearly say how you reached your conclusion.

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N Z = rl -X In) N Z = rl -X In)

Answer rating: 100% (QA)

Null hypothesis H 0 750000 Alternative hypothesis H 1 750000 Pvalue 2... View the full answer