What is the Z-test ?

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orchestra answered 1 year ago

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a)When is it appropriate to calculate a z-test? b)What is the formula for a z-test? c)If...

a)When is it appropriate to calculate a z-test? b)What is the formula for a z-test? c)If we set α = 0.10 what does that tell us? d)If p < α then what should you do? e)What is the z-table used for when conducting a z-test? f)What are the 7 steps for hypothesis testing?

what is the difference between chi square and z test?

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Conceptually, what are we doing when we test for statistical significance (such as in a z-test or t-test)? Where does the commonly used 95% confidence level come from? What is an effect size and what additional information does it provide about a finding?

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What is a z-test? Pre-test Post-test 4 1 6 9 7 2 8 3 1 6

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