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A sample mean estimates $\mu = 2$ with standard error $0.1$ . Using the delta method, what is the approximate standard error of the squared sample mean as an estimate of $\mu^2$ ?

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The law of large numbers and the central limit theorem

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A sample mean estimates μ=2\mu = 2μ=2 with standard error 0.10.10.1. Using the delta method, what is the approximate standard error of the squared sample mean as an estimate of μ2\mu^2μ2?

More statistics and inference questions

A sample mean estimates $\mu = 2$ with standard error $0.1$ . Using the delta method, what is the approximate standard error of the squared sample mean as an estimate of $\mu^2$ ?