Math  /  Data & Statistics

QuestionYou wish to test the claim that μ33\mu \leq 33 at a level of significance of α=0.01\alpha=0.01 and are given sample statistics n=40n=40 and xˉ=34.8\bar{x}=34.8. Assume the population standard deviation is 4.3. Compute the value of the standardized test statistic. Round your answer to two decimal places. A. 2.65 B. 1.96 C. 3.51 D. 2.12

Studdy Solution
Calculate the standardized test statistic:
z=1.80.6792.65 z = \frac{1.8}{0.679} \approx 2.65
The value of the standardized test statistic is:
2.65 \boxed{2.65}

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