statistical inference part vii hypothesis testing – applications – one population tests 1

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  • STATISTICAL INFERENCEPART VIIHYPOTHESIS TESTING APPLICATIONS ONE POPULATION TESTS*

  • HYPOTHESIS TEST FOR POPULATION MEAN, KNOWN AND X~N(, 2) OR LARGE SAMPLE CASE:Two-sided Test Test Statistic Rejecting Area H0: = 0 HA: 0

    Reject H0 if z < z/2 or z > z/2.

    1-/2/2

    z/2-z/2

    Reject H0Reject H0Do not reject H0*

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  • HYPOTHESIS TEST FOR POPULATION MEAN, One-sided Tests Test Statistic Rejecting Area1. H0: = 0 HA: > 0

    Reject H0 if z > z. 2. H0: = 0 HA: < 0

    Reject H0 if z < z.

    1-zReject H0Do not reject H0

    - z1-Reject H0

    Do not reject H0

    *

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