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Earn +20 ptsQ: Is a Two tailed test upper or lower tailed?
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Continue Learning about Statistics
What is a 0.1 for a two-tailed test?
Alpha or significance level is usually 0.1 or 0.05 for a 2-tailed test.
What is the Z value for 90 percent confidence interval estimation?
The answer depends on whether the test is one-tailed or two-tailed.One-tailed: z = 1.28 Two-tailed: z = 1.64
What is 0.1 for a two tailed test?
The answer depends on the distribution under consideration.
For a two-tailed test a sample of 20 at 80 percent confidence t equals?
advantage
What are the critical z-values ofr a two-tailed hypothesis test if the significant level equals 0.01?
2.58
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