2011 Confidence Interval Detail
166/Milam
014-902/Bartlett ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,293,910 | 0.8934 | 1,448,299 | 10 | 40 | .061713404 |
| A | 1,488,580 | 0.9604 | 1,549,958 | 10 | 26 | .046467953 |
| A | 1,460,990 | 0.9816 | 1,488,376 | 10 | 17 | .034259570 |
| A | 1,262,500 | 1.1080 | 1,139,440 | 5 | 9 | .075755224 |
| D3 | 7,915,930 | 0.9798 | 8,079,128 | 16 | 378 | .085363431 |
| Random Totals: | 13,421,910 | 13,705,201 | 51 | 470 | ||
| Catg D1 Exception Values: | 956,420 | 951,195 | ||||
| Total Test Values (4): | 14,378,330 | 14,656,396 |
Margin of Error
| Margin of Error Percent: | 8.2506300 |
|---|---|
| Margin of Error Value: | 1,209,245 |
Confidence Interval Values (5)
| State Lower Limit: | 13,447,151 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 14,378,330 | (Within Confidence Interval) |
| State Upper Limit: | 15,865,641 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 13,097,329 | (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