If a sample has 20 observations and a 95% confidence estimate for $\mu$ is needed, the appropriate t-score is 1.729.

Name: If a sample has 20 observations and a 95% confidence estimate for $\mu$ is needed, the appropriate t-score is 1.729.
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Quizplus · Accepted Answer

For a sample size of 20, the degrees of freedom is 19. The t-score for a 95% confidence interval with 19 degrees of freedom is approximately 2.093, not 1.729.

If a Sample Has 20 Observations and a 95% Confidence μ\muμ

If a Sample Has 20 Observations and a 95% Confidence $\mu$