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Polk County
2021 Confidence Interval Detail
Polk County
229-906/Chester ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,431,452 | 0.9552 | 3,592,391 | 14 | 87 | 0.037796388 |
| A | 3,719,763 | 1.0106 | 3,680,747 | 11 | 47 | 0.047105643 |
| A | 3,532,445 | 1.0196 | 3,464,540 | 11 | 25 | 0.046226703 |
| A | 4,448,989 | 1.0810 | 4,115,623 | 8 | 18 | 0.009105160 |
| E | 15,247,180 | 1.0705 | 14,243,045 | 20 | 181 | 0.060768713 |
| Random Totals: | 30,379,829 | 29,096,346 | 64 | 358 | ||
| CATG D1 EXCEPTION VALUES: | 7,786,452 | 7,309,725 | ||||
| Total Test Values | 38,166,281 | 36,406,071 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,820,304 |
Confidence Interval Values(5)
| Local Test Value: | 38,166,281 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 34,585,767 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 38,226,375 | (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