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    Chi-square Distribution: Finding Test Components

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    Question: Find the test statistic and critical value. Also use the chi-square distribution to find limits containing the p-value and then determine whether there is sufficient evidence to support the given alternative hypothesis.

    Precipitation amounts:
    - standard deviation of all values in a population does not equal 0.25
    - alpha = 0.01
    - number of values in a sample = 26
    - standard deviation of a set of sample values = 0.18

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    We can compute the chi-squared test statistic as ...

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    This solution answers a question regarding chi-square distribution.