2009 Confidence Interval Detail
169/Montague
169-908/Montague ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,074,110 | 1.0415 | 1,991,464 | 9 | 49 | .022226381 |
| A | 2,208,750 | 0.9415 | 2,345,990 | 6 | 32 | .020490683 |
| A | 2,195,700 | 0.9939 | 2,209,176 | 5 | 22 | .000280605 |
| A | 2,240,510 | 1.0090 | 2,220,525 | 7 | 13 | .002005492 |
| D3 | 14,685,500 | 0.9555 | 15,369,440 | 20 | 431 | .013955288 |
| G1 | 3,483,710 | 0.8648 | 4,028,342 | 6 | 33 | .218512188 |
| Random Totals: | 26,888,280 | 28,164,937 | 53 | 580 | ||
| Catg J Exception Values: | 484,405 | 468,513 | ||||
| Catg D1 Exception Values: | 1,105,910 | 1,000,849 | ||||
| Catg G1 Exception Values: | 1,075,050 | 1,124,695 | ||||
| Total Test Values (4): | 29,553,645 | 30,758,994 |
Margin of Error
| Margin of Error Percent: | 5.3280416 |
|---|---|
| Margin of Error Value: | 1,638,852 |
Confidence Interval Values (5)
| State Lower Limit: | 29,120,142 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 29,553,645 | (Within Confidence Interval) |
| State Upper Limit: | 32,397,846 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 29,086,171 | (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