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181 <br /> Neighborhood Review Statistics Meanings <br /> Median Sales Ratio - Assessed Value/Actual Sales Price <br /> - 1 .0 — Assessed value matches sales price <br /> - Above 1 .0 —Assessed value is greater than sales price <br /> - Below 1 .0 — Assessed value is below sales price <br /> ➢ COD - Coefficient of Dispersion measures horizontal uniformity in a sales <br /> ratio study, and shows how tightly individual property assessments are <br /> grouped around the median. <br /> PRD Price Related Differential (PRD) — measures uniformity of sales ratios <br /> between low and high values properties <br /> - A PRD close to 1 .0 indicates neutral assessment practices <br /> - A PRD above 1 .0 indicates higher-value properties are under-assessed (regressive assessment). <br /> - A PRD below 1 .0 means higher-value properties are over-assessed (progressive assessment <br /> ORANGE COUNTY <br /> 12 NORTH CAROLINA <br />