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031/Cameron
2018 Confidence Interval Detail
031/Cameron
031-909/Point Isabel ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 642,747,617 | 0.9830 | 653,863,293 | 241 | 4,568 | .035384631 |
| A | 625,844,668 | 0.9858 | 634,859,675 | 124 | 2,404 | .020903832 |
| A | 656,730,957 | 0.9975 | 658,376,899 | 62 | 1,648 | .026353022 |
| A | 652,387,194 | 0.9468 | 689,044,354 | 16 | 853 | .081548971 |
| C1 | 59,538,414 | 1.0080 | 59,065,887 | 36 | 1,245 | .121213287 |
| C1 | 41,822,624 | 1.0512 | 39,785,601 | 14 | 344 | .143909439 |
| C1 | 48,076,385 | 1.2134 | 39,621,217 | 12 | 197 | .171488784 |
| C1 | 51,686,168 | 0.9144 | 56,524,681 | 11 | 40 | .073571280 |
| F1 | 75,709,007 | 0.7741 | 97,802,619 | 15 | 286 | .272419559 |
| F1 | 79,974,222 | 0.7697 | 103,903,108 | 16 | 92 | .151638557 |
| F1 | 72,354,869 | 0.7867 | 91,972,631 | 16 | 42 | .083176668 |
| F1 | 78,728,527 | 0.7169 | 109,818,004 | 7 | 15 | .128224089 |
| Random Totals: | 3,085,600,652 | 3,234,637,969 | 570 | 11,734 | ||
| Catg D1 Exception Values: | 1,490,443 | 1,163,158 | ||||
| Total Test Values (4): | 3,087,091,095 | 3,235,801,127 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 161,790,056 |
Confidence Interval Values (5)
| State Lower Limit: | 3,074,011,071 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 3,087,091,095 | (Within Confidence Interval) |
| State Upper Limit: | 3,397,591,183 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 3,644,108,515 | (See ISD Summary Worksheet) |
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
(6) Includes local value of unstudied property categories and sub-categories