2009 Confidence Interval Detail
160/McCulloch
160-901/Brady ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 29,191,930 | 0.9664 | 30,206,881 | 16 | 971 | .024847437 |
| A | 30,766,490 | 0.9414 | 32,681,634 | 15 | 542 | .012861667 |
| A | 27,819,850 | 0.9627 | 28,897,736 | 16 | 299 | .017464358 |
| A | 35,871,780 | 0.9493 | 37,787,612 | 15 | 238 | .004455222 |
| D3 | 37,354,740 | 0.9944 | 37,565,105 | 20 | 3,274 | .077366407 |
| F1 | 9,145,300 | 0.9459 | 9,668,358 | 15 | 161 | .008836991 |
| F1 | 8,692,200 | 0.8942 | 9,720,644 | 15 | 68 | .020171724 |
| F1 | 9,198,070 | 0.9636 | 9,545,527 | 14 | 28 | .010791969 |
| L1 | 7,393,220 | 0.9556 | 7,736,731 | 7 | 181 | .010417232 |
| L1 | 6,058,950 | 1.0081 | 6,010,267 | 6 | 31 | .000738919 |
| L1 | 8,506,070 | 1.0036 | 8,475,558 | 4 | 14 | .000830275 |
| Random Totals: | 209,998,600 | 218,296,053 | 143 | 5,807 | ||
| Catg D1 Exception Values: | 21,363,550 | 20,994,033 | ||||
| Catg F1 Exception Values: | 9,174,050 | 8,901,440 | ||||
| Catg L1 Exception Values: | 7,514,850 | 7,309,222 | ||||
| Total Test Values (4): | 248,051,050 | 255,500,748 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 12,775,037 |
Confidence Interval Values (5)
| State Lower Limit: | 242,725,711 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 248,051,050 | (Within Confidence Interval) |
| State Upper Limit: | 268,275,785 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 301,681,419 | (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