2009 Confidence Interval Detail
166/Milam
166-901/Cameron ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 25,543,060 | 0.9332 | 27,371,474 | 16 | 847 | .091033478 |
| A | 25,345,860 | 0.9905 | 25,588,955 | 16 | 466 | .021102100 |
| A | 23,916,460 | 1.0083 | 23,719,587 | 16 | 285 | .005999100 |
| A | 31,023,820 | 1.0765 | 28,819,155 | 21 | 213 | .028521438 |
| D3 | 70,469,482 | 0.9745 | 72,313,476 | 27 | 4,218 | .010187845 |
| F1 | 8,164,630 | 0.9493 | 8,600,685 | 9 | 160 | .040252184 |
| F1 | 7,753,327 | 0.8631 | 8,983,116 | 6 | 46 | .115737203 |
| F1 | 8,350,313 | 0.9404 | 8,879,533 | 5 | 21 | .007651727 |
| F1 | 7,477,380 | 0.9507 | 7,865,131 | 4 | 5 | .002329573 |
| L1 | 3,365,720 | 1.0027 | 3,356,657 | 8 | 155 | .584856182 |
| L1 | 3,029,790 | 1.1450 | 2,646,105 | 6 | 29 | .069112462 |
| L1 | 2,586,180 | 0.8660 | 2,986,351 | 4 | 9 | .064223494 |
| L1 | 3,135,350 | 0.9990 | 3,138,488 | 3 | 5 | .000629577 |
| Random Totals: | 220,161,372 | 224,268,713 | 141 | 6,459 | ||
| Catg J Exception Values: | 17,834,030 | 17,988,890 | ||||
| Catg D1 Exception Values: | 24,371,369 | 20,994,566 | ||||
| Total Test Values (4): | 262,366,771 | 263,252,169 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 13,162,608 |
Confidence Interval Values (5)
| State Lower Limit: | 250,089,561 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 262,366,771 | (Within Confidence Interval) |
| State Upper Limit: | 276,414,777 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 275,787,229 | (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