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Polk County
2025 Confidence Interval Detail
Polk County
187-904/Corrigan-Camden 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 | 36,547,392 | 0.9081 | 40,245,999 | 18 | 471 | 1,790,039,094 |
| A | 3 | 42,406,651 | 0.9632 | 44,026,839 | 18 | 315 | 1,023,298,935 |
| A | 4 | 48,465,422 | 0.9722 | 49,851,288 | 17 | 244 | 1,634,724,475 |
| A | 5 | 54,108,658 | 1.0513 | 51,468,333 | 16 | 162 | 16,517,152,479 |
| E | 0 | 146,478,162 | 0.9954 | 147,155,075 | 20 | 764 | 33,523,261,996 |
| Random Totals: | 328,006,285 | 332,747,534 | 89 | 1,956 | |||
| CATG D1 EXCEPTION VALUES: | 30,618,477 | 25,402,515 | |||||
| CATG J EXCEPTION VALUES: | 9,748,090 | 12,763,391 | |||||
| Total Test Values | 368,372,852 | 370,913,440 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 18,545,672 |
Confidence Interval Values(5)
| Local Test Value: | 368,372,852 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 352,367,768 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 389,459,112 | (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