A researcher reports a 95%95\% confidence interval of (58.5,65.5)\left(58.5,65.5\right) when estimating the average weight (in kilograms) of packages in a warehouse. Find the estimated margin of error and the sample mean.

E=3.5kg⁡E=3.5\operatorname{kg}xˉ=62.0kg⁡\bar{x}=62.0\operatorname{kg}

E=3.9kg⁡E=3.9\operatorname{kg}xˉ=62.0kg⁡\bar{x}=62.0\operatorname{kg}

E=3.2kg⁡E=3.2\operatorname{kg}xˉ=60.0kg⁡\bar{x}=60.0\operatorname{kg}

E=3.8kg⁡E=3.8\operatorname{kg}xˉ=65.0kg⁡\bar{x}=65.0\operatorname{kg}

A researcher reports a 95%95\% confidence interval of (58.5,65.5)...

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Confidence Intervals for Population Mean: Videos & Practice Problems

A researcher reports a 95%95\% confidence interval of (58.5,65.5)\(\left\)(58.5,65.5\(\right\)) when estimating the average weight (in kilograms) of packages in a warehouse. Find the estimated margin of error and the sample mean.

A researcher reports a $95 percent sign$ confidence interval of $open paren 58.5 comma 65.5 close paren$ when estimating the average weight (in kilograms) of packages in a warehouse. Find the estimated margin of error and the sample mean.