2008 Confidence Interval Detail
178/Nueces
178-906/London ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 23,781,860 | 0.9856 | 24,129,322 | 7 | 88 | .020036821 |
| A | 21,297,319 | 1.0120 | 21,044,782 | 7 | 65 | .008137060 |
| A | 23,571,040 | 0.9409 | 25,051,589 | 7 | 62 | .024539447 |
| A | 32,063,588 | 0.9282 | 34,543,835 | 8 | 66 | .017275583 |
| C | 4,156,435 | 1.0270 | 4,047,162 | 6 | 68 | .002910205 |
| C | 2,791,196 | 1.0110 | 2,760,827 | 6 | 41 | .007625929 |
| C | 7,597,157 | 1.0908 | 6,964,757 | 6 | 99 | .008174603 |
| C | 6,451,102 | 1.0442 | 6,178,033 | 6 | 58 | .022599332 |
| D3 | 18,608,124 | 0.8951 | 20,788,877 | 16 | 708 | .260048011 |
| G1 | 27,892,161 | 0.9942 | 28,054,879 | 5 | 17 | .000164704 |
| G1 | 25,752,430 | 0.9969 | 25,832,511 | 3 | 4 | .000030181 |
| Random Totals: | 193,962,412 | 199,396,574 | 77 | 1,276 | ||
| Catg D1 Exception Values: | 14,728,181 | 15,840,930 | ||||
| Catg G1 Exception Values: | 42,058,348 | 42,082,432 | ||||
| Total Test Values (4): | 250,748,941 | 257,319,936 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 12,865,997 |
Confidence Interval Values (5)
| State Lower Limit: | 244,453,939 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 250,748,941 | (Within Confidence Interval) |
| State Upper Limit: | 270,185,933 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 270,422,323 | (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
