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Business Statistics Q3: A B218 Statistics facilitator claimed that the average weight of a Statistics textbook is 1.

Business Statistics

Q3: A B218 Statistics facilitator claimed that the average weight of a Statistics textbook is 1.5kg. One of his students didn't believe that the average Statistics textbook is as heavy as this and decided to take a random sample of n Statistics textbooks. The population standard deviation was known to be 0.8 kg and the student determined that the p-value associated with her sample average weight of 1.45 kg was 0.02 when conducting a hypothesis test. Determine the null and alternative hypotheses. Determine the standard error for the sample. Hence determine the sample size, n. Show clear formula and working.

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