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212/Smith
2017 Confidence Interval Detail
212/Smith
212-909/Chapel Hill ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 165,687,635 | 0.9863 | 167,989,085 | 25 | 1,898 | .013310224 |
| A | 172,393,795 | 0.9880 | 174,487,647 | 38 | 978 | .004874018 |
| A | 187,510,125 | 0.9970 | 188,074,348 | 54 | 681 | .003026657 |
| A | 181,369,865 | 1.0397 | 174,444,421 | 15 | 350 | .020601457 |
| B | 24,931,933 | 0.9905 | 25,171,058 | 9 | 124 | .001675842 |
| B | 16,650,650 | 0.6256 | 26,615,489 | 4 | 5 | .060965305 |
| E | 169,317,805 | 1.0327 | 163,956,430 | 13 | 2,049 | .010173004 |
| F1 | 20,482,192 | 0.9697 | 21,122,194 | 11 | 136 | .041678709 |
| F1 | 22,045,369 | 0.9540 | 23,108,353 | 9 | 46 | .009248375 |
| F1 | 20,467,848 | 0.9676 | 21,153,212 | 7 | 20 | .003632599 |
| F1 | 32,570,454 | 0.9536 | 34,155,258 | 3 | 6 | .000091701 |
| L1 | 18,533,948 | 0.8969 | 20,664,453 | 10 | 150 | .087133483 |
| L1 | 13,508,923 | 0.9269 | 14,574,305 | 8 | 21 | .041108596 |
| L1 | 14,173,877 | 1.0471 | 13,536,316 | 5 | 8 | .000822200 |
| L1 | 25,152,063 | 0.7821 | 32,159,651 | 2 | 5 | .089176129 |
| Random Totals: | 1,084,796,482 | 1,101,212,220 | 213 | 6,477 | ||
| Catg D1 Exception Values: | 9,757,987 | 8,689,972 | ||||
| Catg B Exception Values: | 38,007,490 | 42,526,672 | ||||
| Total Test Values (4): | 1,132,561,959 | 1,152,428,864 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 57,621,443 |
Confidence Interval Values (5)
| State Lower Limit: | 1,094,807,421 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,132,561,959 | (Within Confidence Interval) |
| State Upper Limit: | 1,210,050,307 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,207,245,628 | (See ISD Summary Worksheet) |
Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories