2011 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 | 129,611,100 | 0.9299 | 139,381,761 | 35 | 1,992 | .025318570 |
| A | 129,214,450 | 0.9790 | 131,986,159 | 39 | 1,218 | .013503100 |
| A | 135,353,970 | 0.9559 | 141,598,462 | 46 | 928 | .007776322 |
| A | 134,886,170 | 1.0263 | 131,429,572 | 14 | 532 | .077923890 |
| B | 19,631,490 | 0.9857 | 19,916,293 | 14 | 159 | .002196874 |
| B | 16,064,850 | 0.9952 | 16,142,333 | 10 | 29 | .006513528 |
| B | 15,707,610 | 1.0166 | 15,451,121 | 5 | 7 | .025857381 |
| D3 | 218,968,070 | 0.9895 | 221,291,632 | 30 | 4,442 | .041961691 |
| F1 | 53,727,790 | 1.0089 | 53,253,831 | 12 | 358 | .041991241 |
| F1 | 51,024,480 | 0.9691 | 52,651,409 | 10 | 127 | .003619086 |
| F1 | 56,288,690 | 0.9797 | 57,455,027 | 10 | 60 | .014416082 |
| F1 | 49,499,380 | 1.0005 | 49,474,643 | 12 | 14 | .009558378 |
| L1 | 21,048,470 | 0.9954 | 21,145,740 | 10 | 357 | .016274049 |
| L1 | 20,520,620 | 0.9933 | 20,659,036 | 10 | 90 | .005026817 |
| L1 | 20,711,370 | 0.9911 | 20,897,356 | 10 | 31 | .007387365 |
| L1 | 18,720,640 | 0.9770 | 19,161,351 | 5 | 9 | .013200222 |
| Random Totals: | 1,090,979,150 | 1,111,895,726 | 272 | 10,353 | ||
| Catg D1 Exception Values: | 14,098,660 | 12,909,011 | ||||
| Catg B Exception Values: | 21,290,210 | 21,233,512 | ||||
| Total Test Values (4): | 1,126,368,020 | 1,146,038,249 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 57,301,912 |
Confidence Interval Values (5)
| State Lower Limit: | 1,088,736,337 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,126,368,020 | (Within Confidence Interval) |
| State Upper Limit: | 1,203,340,161 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,254,159,999 | (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