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Polk County
2025 Confidence Interval Detail
Polk County
187-901/Big Sandy ISD
Category Summary
| (1) Category |
(1) Stratum Number |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|---|
| A | 2 | 19,031,788 | 0.9545 | 19,939,013 | 13 | 273 | 612,863,993 |
| A | 3 | 17,782,807 | 1.0143 | 17,532,098 | 14 | 137 | 859,863,692 |
| A | 4 | 27,286,960 | 1.0430 | 26,161,994 | 13 | 143 | 1,904,925,953 |
| A | 5 | 25,307,420 | 1.1022 | 22,960,824 | 13 | 77 | 30,381,140,438 |
| E | 0 | 87,236,803 | 0.9834 | 88,709,379 | 21 | 526 | 20,187,071,276 |
| G1 | 2 | 31,924,300 | 1.0005 | 31,908,346 | 8 | 31 | 1,074,936,165,633 |
| Random Totals: | 208,570,078 | 207,211,654 | 82 | 1,187 | |||
| CATG D1 EXCEPTION VALUES: | 17,825,944 | 15,171,800 | |||||
| CATG G1 EXCEPTION VALUES: | 10,482,200 | 10,453,720 | |||||
| CATG J EXCEPTION VALUES: | 7,012,019 | 8,919,130 | |||||
| Total Test Values | 243,890,241 | 241,756,304 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 12,087,815 |
Confidence Interval Values(5)
| Local Test Value: | 243,890,241 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 229,668,489 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 253,844,119 | (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