2008 Confidence Interval Detail
226/Tom Green
226-901/Christoval ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 13,217,200 | 0.9439 | 14,002,755 | 19 | 255 | .099112501 |
| A | 15,938,300 | 1.0194 | 15,634,981 | 18 | 157 | .021329921 |
| A | 22,431,920 | 0.9683 | 23,166,291 | 18 | 139 | .023044034 |
| A | 40,083,786 | 1.0043 | 39,912,164 | 29 | 155 | .008980116 |
| D3 | 25,675,313 | 0.8091 | 31,733,176 | 32 | 1,600 | .237114730 |
| G1 | 3,182,901 | 0.8909 | 3,572,680 | 5 | 17 | .181754574 |
| G1 | 3,741,880 | 0.8716 | 4,293,116 | 4 | 5 | .066841455 |
| Random Totals: | 124,271,300 | 132,315,163 | 125 | 2,328 | ||
| Catg D1 Exception Values: | 10,414,090 | 9,711,381 | ||||
| Catg G1 Exception Values: | 6,476,850 | 6,487,186 | ||||
| Total Test Values (4): | 141,162,240 | 148,513,730 |
Margin of Error
| Margin of Error Percent: | 5.0000003 |
|---|---|
| Margin of Error Value: | 7,425,687 |
Confidence Interval Values (5)
| State Lower Limit: | 141,088,043 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 141,162,240 | (Within Confidence Interval) |
| State Upper Limit: | 155,939,417 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 137,085,407 | (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