2007 Confidence Interval Detail
221/Taylor
221-904/Merkel ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 15,806,845 | 1.0558 | 14,971,439 | 8 | 682 | .024901952 |
| A | 15,801,874 | 1.0210 | 15,476,860 | 11 | 367 | .005830233 |
| A | 15,775,632 | 0.9040 | 17,450,920 | 7 | 237 | .012173570 |
| A | 15,770,472 | 0.9736 | 16,198,102 | 10 | 146 | .013445556 |
| D3 | 40,024,952 | 0.9422 | 42,480,314 | 16 | 2,710 | .054764204 |
| F1 | 5,844,940 | 1.0766 | 5,429,073 | 8 | 97 | .022556924 |
| F1 | 5,826,101 | 1.0410 | 5,596,639 | 6 | 33 | .032276880 |
| F1 | 5,871,709 | 0.9758 | 6,017,328 | 5 | 11 | .003338905 |
| G1 | 5,045,121 | 0.9202 | 5,482,635 | 6 | 36 | .022420276 |
| G1 | 5,226,190 | 1.0875 | 4,805,692 | 5 | 14 | .046895804 |
| L1 | 10,499,161 | 0.9840 | 10,669,879 | 6 | 78 | .004835070 |
| L1 | 11,944,312 | 0.9624 | 12,410,964 | 5 | 12 | .005002708 |
| L1 | 8,704,131 | 0.9068 | 9,598,733 | 2 | 3 | .000303550 |
| Random Totals: | 162,141,440 | 166,588,578 | 95 | 4,426 | ||
| Catg J Exception Values: | 11,797,019 | 12,322,471 | ||||
| Catg D1 Exception Values: | 14,196,790 | 13,536,677 | ||||
| Catg F1 Exception Values: | 5,066,234 | 5,230,143 | ||||
| Catg L1 Exception Values: | 13,317,827 | 12,529,350 | ||||
| Total Test Values (4): | 206,519,310 | 210,207,219 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,510,361 |
Confidence Interval Values (5)
| State Lower Limit: | 199,696,858 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 206,519,310 | (Within Confidence Interval) |
| State Upper Limit: | 220,717,580 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 357,435,289 | (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