Question

In: Economics

If you use a 0.05 level of significance in a​ two-tail hypothesis​ test, what decision will...

If you use a 0.05 level of significance in a​ two-tail hypothesis​ test, what decision will you make if ZSTAT=+1.55​?

Solutions

Expert Solution

To find the   , A z-score table is used.

This Z table below shows area to the left of A Z-value (Total area is 1)

we know that area to the right of is 0.025.

This means that area to the left of should be 1-0.025 = 0.975

We look for 0.975 in the table and find our concerned Z value which is 1.96


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