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199/Rockwall
2016 Confidence Interval Detail
199/Rockwall
199-902/Royse City ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 123,620,883 | 0.9653 | 128,064,729 | 67 | 1,050 | .014112027 |
| A | 204,479,659 | 0.9627 | 212,402,263 | 47 | 1,340 | .004735484 |
| A | 234,744,040 | 0.9678 | 242,554,288 | 70 | 1,302 | .007059440 |
| A | 283,724,804 | 0.9729 | 291,627,921 | 74 | 1,079 | .026102372 |
| E | 77,755,940 | 0.9388 | 82,824,819 | 16 | 445 | .044613704 |
| F1 | 18,022,250 | 0.8280 | 21,766,002 | 11 | 87 | .108296142 |
| F1 | 15,392,427 | 0.9084 | 16,944,548 | 8 | 27 | .021127305 |
| F1 | 21,244,910 | 0.9229 | 23,019,731 | 8 | 18 | .006222630 |
| Random Totals: | 978,984,913 | 1,019,204,301 | 301 | 5,348 | ||
| Catg J Exception Values: | 29,307,538 | 32,092,035 | ||||
| Catg D1 Exception Values: | 1,719,482 | 1,444,577 | ||||
| Catg F1 Exception Values: | 16,969,642 | 19,658,427 | ||||
| Total Test Values (4): | 1,026,981,575 | 1,072,399,340 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 53,619,967 |
Confidence Interval Values (5)
| State Lower Limit: | 1,018,779,373 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,026,981,575 | (Within Confidence Interval) |
| State Upper Limit: | 1,126,019,307 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,022,187,576 | (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, D3, 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