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Smith County
2021 Confidence Interval Detail
Smith County
212-901/Arp ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 74,679,384 | 0.9441 | 79,101,138 | 16 | 717 | 0.011433265 |
| A | 75,462,585 | 0.9573 | 78,828,565 | 15 | 298 | 0.005943280 |
| A | 81,889,605 | 0.9092 | 90,067,757 | 10 | 204 | 0.015676061 |
| A | 85,352,018 | 1.0096 | 84,540,430 | 11 | 114 | 0.005611640 |
| E | 99,102,977 | 0.9291 | 106,665,566 | 20 | 896 | 0.036176199 |
| Random Totals: | 416,486,569 | 439,203,456 | 72 | 2,229 | ||
| CATG D1 EXCEPTION VALUES: | 5,425,176 | 4,506,255 | ||||
| CATG J EXCEPTION VALUES: | 9,211,997 | 9,793,710 | ||||
| Total Test Values | 431,123,742 | 453,503,421 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 22,675,171 |
Confidence Interval Values(5)
| Local Test Value: | 431,123,742 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 430,828,250 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 476,178,592 | (State Test Value plus Margin of Error Percent) |
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