2009 Confidence Interval Detail
072/Erath
072-903/Stephenville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 123,733,260 | 0.9058 | 136,601,082 | 35 | 1,957 | .026199721 |
| A | 124,615,370 | 0.9293 | 134,095,954 | 38 | 1,199 | .008631311 |
| A | 127,373,620 | 0.9913 | 128,491,496 | 29 | 904 | .008669303 |
| A | 131,488,900 | 0.9429 | 139,451,586 | 18 | 543 | .010635172 |
| B | 18,163,200 | 1.0222 | 17,768,734 | 11 | 150 | .004188922 |
| B | 14,565,110 | 0.9678 | 15,049,711 | 9 | 26 | .005169193 |
| B | 14,028,220 | 1.0327 | 13,584,022 | 5 | 8 | .002790446 |
| D3 | 210,968,540 | 1.0322 | 204,387,270 | 33 | 4,494 | .054038724 |
| F1 | 55,799,950 | 0.9755 | 57,201,384 | 15 | 346 | .013505210 |
| F1 | 55,976,620 | 1.0169 | 55,046,337 | 17 | 126 | .009210125 |
| F1 | 55,290,630 | 1.0076 | 54,873,591 | 14 | 48 | .004715722 |
| F1 | 48,255,000 | 1.0077 | 47,886,276 | 8 | 12 | .002798788 |
| L1 | 21,276,740 | 1.0086 | 21,095,320 | 7 | 382 | .001708990 |
| L1 | 23,189,610 | 1.0074 | 23,019,267 | 10 | 103 | .007733142 |
| L1 | 22,538,760 | 1.0109 | 22,295,736 | 6 | 33 | .000493659 |
| L1 | 29,227,000 | 1.0181 | 28,707,396 | 4 | 14 | .000197322 |
| Random Totals: | 1,076,490,530 | 1,099,555,162 | 259 | 10,345 | ||
| Catg D1 Exception Values: | 14,277,350 | 12,545,487 | ||||
| Catg B Exception Values: | 12,413,850 | 12,297,084 | ||||
| Total Test Values (4): | 1,103,181,730 | 1,124,397,733 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 56,219,887 |
Confidence Interval Values (5)
| State Lower Limit: | 1,068,177,846 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,103,181,730 | (Within Confidence Interval) |
| State Upper Limit: | 1,180,617,620 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,245,814,257 | (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