statistics

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A random sample of n= 12 is drawn from a population that is normally distributed, and the sample variance is s©÷ = 19.3. Use ¥á = 0.025 in testing
¥Ç₀ : ¥ò©÷ ¡ 9.4 versus ¥Ç©û : ¥ò©÷ > 9.4

  • statistics -

    Yadira, Marianne, Laura, Vanessa, or whoever -- please don't keep switching your name. We know that these statistics problems have been posted from the same computer -- and presumably by the same person.

  • enough -

    If you are in fact different persons, shouldn't you be helping each other? In any case, together with your course notes, there are sufficient examples for you to understand the subject.
    I suggest you work out your next problems and post the results for checking.

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