$\text { The term } z _ { \alpha / 2 } \left( \frac { \sigma } { \sqrt { n } } \right) \text { refers to the }$

question 71

Multiple Choice

$\text { The term } z _ { \alpha / 2 } \left( \frac { \sigma } { \sqrt { n } } \right) \text { refers to the }$

• A) unbiased estimator.
• B) confidence interval.
• C) maximum error of estimate.
• D) interval estimate.

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