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Polk County
2023 Confidence Interval Detail
Polk County
187-901/Big Sandy ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 13,407,479 | 0.7751 | 17,297,741 | 13 | 259 | 0.053950149 |
| A | 13,692,538 | 1.0257 | 13,349,457 | 13 | 136 | 0.044472036 |
| A | 22,483,359 | 0.9784 | 22,979,721 | 15 | 146 | 0.029142233 |
| A | 24,036,083 | 1.0134 | 23,718,258 | 12 | 85 | 0.023030227 |
| E | 70,653,864 | 1.1952 | 59,114,679 | 18 | 491 | 0.027854613 |
| G1 | 59,777,635 | 0.9974 | 59,933,462 | 9 | 48 | 0.000259657 |
| Random Totals: | 204,050,958 | 196,393,318 | 80 | 1,165 | ||
| CATG D1 EXCEPTION VALUES: | 19,274,053 | 17,749,984 | ||||
| CATG J EXCEPTION VALUES: | 4,682,500 | 5,152,716 | ||||
| Total Test Values | 228,007,511 | 219,296,018 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,964,801 |
Confidence Interval Values(5)
| Local Test Value: | 228,007,511 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 208,331,217 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 230,260,819 | (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