Solution-Should we use a one tail or two tail test

Should we use a one tail or two tail test

Reference no: EM132483780

A researcher is interested in whether attending private school leads to better performance compared to attending public school. A sample of 100 students from a private school produced a mean score of 71.30 on a test. The nationwide average for public school students is 75.62 (σ =28.0)

Should we use a one tail or two tail test?(and how do we know we should?)
What is the null and alternative hypothesis?
What is zcrit for α = 0.05 (the cut off for the critical region)?
What is zobt?
What conclusion do you draw?

Reference no: EM132483780

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Should we use a one tail or two tail test : A researcher is interested in whether attending private school leads to better performance compared to attending public school. A sample of 100 students

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Should we use a one tail or two tail test

Reference no: EM132483780

Reference no: EM132483780

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