z-score

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One-sided 95% and 99% standard normals: N(-1.645) = 5% and N(-2.33) = 1%. Two-sided 95% and 99% standard normals: N(-1.96) =2.5% so 5% in two-tails, and N(-2.58) = 0.005, so 1.0% in two-tails.
Yara Habash
Flashcards by Yara Habash, updated more than 1 year ago
Yara Habash
Created by Yara Habash over 5 years ago
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Z-scores One-sided 95% and 99% standard normals: N(-1.645) = 5% and N(-2.33) = 1%. Two-sided 95% and 99% standard normals: N(-1.96) =2.5% so 5% in two-tails, and N(-2.58) = 0.005, so 1.0% in two-tails.
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