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You see X containing the following sample elements: Income in 10K calculate the average and standard error of X. What is the range where the

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You see X containing the following sample elements: Income in 10K calculate the average and standard error of X. What is the range where the true average lies? (use 1.96 to multiply SE) Average =? Standard deviation (SD) = ? Standard error = SD/(n-1)^(1/2) , where n = 10 4 Confidence interval = upper Average + 1.96*SE = lower Average - 1.96*SE

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