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Polk County
2021 Confidence Interval Detail
Polk County
187-904/Corrigan-Camden ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 23,309,745 | 0.9947 | 23,433,945 | 17 | 522 | 0.067244777 |
| A | 25,486,726 | 1.0010 | 25,461,265 | 17 | 313 | 0.037532431 |
| A | 25,274,843 | 1.0297 | 24,545,832 | 17 | 204 | 0.035282589 |
| A | 31,063,311 | 1.0424 | 29,799,800 | 17 | 141 | 0.055338403 |
| E | 57,320,737 | 1.0895 | 52,611,966 | 23 | 612 | 0.047438620 |
| Random Totals: | 162,455,362 | 155,852,808 | 91 | 1,792 | ||
| CATG D1 EXCEPTION VALUES: | 37,433,175 | 34,442,355 | ||||
| CATG J EXCEPTION VALUES: | 30,649,720 | 33,642,045 | ||||
| Total Test Values | 230,538,257 | 223,937,208 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 11,196,860 |
Confidence Interval Values(5)
| Local Test Value: | 230,538,257 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 212,740,348 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 235,134,068 | (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