2007 Confidence Interval Detail
166/Milam
166-904/Rockdale ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 36,786,527 | 0.8957 | 41,070,143 | 22 | 1,007 | .088838377 |
| A | 36,774,377 | 0.9829 | 37,414,159 | 22 | 499 | .062502056 |
| A | 36,767,274 | 0.9901 | 37,134,910 | 13 | 304 | .015783173 |
| A | 36,759,536 | 1.0205 | 36,021,103 | 21 | 193 | .013512487 |
| D3 | 80,653,364 | 0.9657 | 83,518,033 | 22 | 3,679 | .050462711 |
| F1 | 9,363,750 | 0.9281 | 10,089,161 | 9 | 165 | .013616606 |
| F1 | 9,320,665 | 0.8849 | 10,533,015 | 7 | 50 | .042017599 |
| F1 | 9,663,833 | 0.6769 | 14,276,604 | 7 | 18 | .440040728 |
| Random Totals: | 256,089,326 | 270,057,128 | 123 | 5,915 | ||
| Catg J Exception Values: | 33,906,504 | 33,596,784 | ||||
| Catg D1 Exception Values: | 13,203,870 | 12,637,340 | ||||
| Catg F1 Exception Values: | 7,900,810 | 9,031,503 | ||||
| Total Test Values (4): | 311,100,510 | 325,322,755 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 16,266,138 |
Confidence Interval Values (5)
| State Lower Limit: | 309,056,617 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 311,100,510 | (Within Confidence Interval) |
| State Upper Limit: | 341,588,893 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 724,853,160 | (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