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Polk County
2023 Confidence Interval Detail
Polk County
187-910/Onalaska ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 166,673,816 | 1.0125 | 164,616,115 | 45 | 1,698 | 0.085929077 |
| A | 225,265,612 | 0.9810 | 229,628,555 | 50 | 1,100 | 0.032541021 |
| A | 230,015,048 | 0.9912 | 232,057,151 | 27 | 676 | 0.037224676 |
| A | 308,682,334 | 0.9723 | 317,476,431 | 17 | 447 | 0.016705361 |
| C1 | 12,644,624 | 0.8883 | 14,234,632 | 11 | 2,364 | 0.236886551 |
| C1 | 30,798,549 | 0.8653 | 35,592,915 | 16 | 2,273 | 0.149868243 |
| C1 | 15,208,843 | 1.2893 | 11,796,202 | 13 | 247 | 0.117578142 |
| C1 | 16,691,946 | 1.2950 | 12,889,534 | 11 | 80 | 0.133919237 |
| Random Totals: | 1,005,980,772 | 1,018,291,535 | 190 | 8,885 | ||
| CATG D1 EXCEPTION VALUES: | 4,012,664 | 3,759,041 | ||||
| Total Test Values | 1,009,993,436 | 1,022,050,576 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 51,102,529 |
Confidence Interval Values(5)
| Local Test Value: | 1,009,993,436 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 970,948,047 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,073,153,105 | (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