Publishing scientific papers online is fast, and the papers can be long. Publishing in a paper journal...

Publishing scientific papers online is fast, and the papers can be long. Publishing in a paper journal means that the paper will live forever in libraries. The British Medical Journal combines the two: it prints short and readable versions, with longer versions available online. Is this ok with authors?

The journal asked a random sample of 104 of its recent authors several questions. One question was “Should the journal continue using this system?” In the sample, 72 said “yes.”

Do the data give good evidence that more than two-thirds(67%) of authors support continuing this system?

Write the null and alternative hypotheses.

Perform a one sample z-test for proportions. What is the value of the test statistic?

What is the associated P-value?

State your conclusion using .

What would be the potential Type 1 and Type II errors in the problem?

Solutions

Expert Solution

orchestra answered 2 years ago

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