The Approximate Standard Error of the Sample Mean Is Calculated $\sigma I \sqrt { n }$

question 13

Multiple Choice

The approximate standard error of the sample mean is calculated as:

• A)
• \(\sigma I \sqrt { n }\)
• B)
• \(s I \sqrt { n }\)
• C)
• \(2 \sigma/ \sqrt { n }\)
• D)
• \(2 s / \sqrt { n }\)

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