Given a normal distribution with σ = 3, we want to test the hypothesis H₀: μ = 20. We find that the sample mean is 21. The test statistic is:
A. 1.645
B. 1.960
C. Impossible to find without more information.
D. 1.000

Question

23-07-2024
Mathematics

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Given a normal distribution with σ = 3, we want to test the hypothesis H₀: μ = 20. We find that the sample mean is 21. The test statistic is:
A. 1.645
B. 1.960
C. Impossible to find without more information.
D. 1.000

Sagot :

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