Reading Numbers
A Weighted Survey Percentage Is Not Always the Raw Share of Respondents
A worked example explains why a weighted survey percentage can differ from a raw headcount, and what methodology details a reader should check.
CONTEXT FOR EVERYDAY CURIOSITY
Reading Numbers
Reading Numbers
Rounded Percentages Can Make a Chart Total More Than 100
See how rounding can make percentages total 99 or 101, and learn when to inspect the underlying figures instead of assuming an error.