Recall the difference between individual spread and estimate uncertainty.
CLT What does CLT remind you to check? What is standard error? Typical sampling variability of an estimate. It shows what the headline statistic can hide. Standard deviation vs standard error Use the distinction to stop one number from doing two jobs. "The summary number is enough." Your line Ask for the denominator, spread or interval, and decision threshold. Single-number certainty. It keeps the statistic connected to the decision instead of the formatting.
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