critical z values

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‘GUIDESHEET FOR Z-TEST’ Critical values of the z-distribution α Left Tailed Right Two Tailed α Left Tailed Test Right Tailed Test Two Tailed Test 10% -1.28 +1.28 +/- 1.645 5% -1.645 +1.645 +/- 1.96 2.5% -1.96 +1.96 +/- 2.24 2% -2.05 +2.05 +/- 2.33 1% 2 33 +2 33 +/ 2 575 1% -2.33 +2.33 +/- 2.575

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z analysis

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  • GUIDESHEET FOR Z-TESTCritical values of the z-distribution

    Left Tailed Right Two Tailed Left Tailed Test

    Right Tailed Test

    Two Tailed Test

    10% -1.28 +1.28 +/- 1.645

    5% -1.645 +1.645 +/- 1.96

    2.5% -1.96 +1.96 +/- 2.24

    2% -2.05 +2.05 +/- 2.33

    1% 2 33 +2 33 +/ 2 5751% -2.33 +2.33 +/- 2.575