The one-sample z statistic is used instead of the one-sample t statistic when ______.
A)$\mu$is known
B)$\mu$ is unknown
C)$\sigma$ is known
D)$\sigma$ is unknown

Name: The one-sample z statistic is used instead of the one-sample t statistic when ______. A)$\mu$is known B)$\mu$ is unknown C)$\sigma$ is known D)$\sigma$ is unknown
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Question

Quizplus · Accepted Answer

The one-sample z statistic is used instead of the one-sample t statistic when the population standard deviation (σ) is known.

The One-Sample Z Statistic Is Used Instead of the One-Sample μ\muμ

The One-Sample Z Statistic Is Used Instead of the One-Sample $\mu$