Math  /  Data & Statistics

QuestionProvide an appropriate response. Compute the standardized test statistic, x2x^{2}, to test the claim σ2=21.5\sigma^{2}=21.5 if n=12,s2=18n=12, s^{2}=18, and α=0.05\alpha=0.05. 0.492 12.961 18.490 9.209

Studdy Solution
Compare the calculated statistic with the given options:
The calculated x29.209 x^2 \approx 9.209 matches the option 9.209 9.209 .
The standardized test statistic is:
9.209 \boxed{9.209}

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