2009 Confidence Interval Detail
003/Angelina
003-903/Lufkin ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 235,308,782 | 0.9446 | 249,109,445 | 47 | 4,685 | .041400789 |
| A | 258,401,298 | 0.9492 | 272,230,613 | 75 | 2,861 | .020288599 |
| A | 265,806,169 | 0.9239 | 287,700,150 | 70 | 1,935 | .023970320 |
| A | 257,982,997 | 0.9729 | 265,169,079 | 42 | 978 | .007668212 |
| F1 | 94,130,425 | 0.8517 | 110,520,635 | 11 | 540 | .064305274 |
| F1 | 107,345,040 | 0.8633 | 124,342,685 | 10 | 161 | .018218702 |
| F1 | 116,397,259 | 0.9198 | 126,546,270 | 9 | 55 | .008911756 |
| F1 | 100,087,835 | 0.9687 | 103,321,808 | 5 | 8 | .000698437 |
| L1 | 63,535,877 | 1.0238 | 62,058,876 | 7 | 598 | .001611713 |
| L1 | 63,685,882 | 1.0110 | 62,992,959 | 7 | 121 | .000598732 |
| L1 | 52,088,611 | 0.9907 | 52,577,583 | 6 | 28 | .000095907 |
| L1 | 68,525,622 | 1.0408 | 65,839,375 | 3 | 6 | .002371230 |
| Random Totals: | 1,683,295,797 | 1,782,409,478 | 292 | 11,976 | ||
| Catg J Exception Values: | 92,914,510 | 87,179,177 | ||||
| Catg D1 Exception Values: | 12,002,085 | 11,558,585 | ||||
| Total Test Values (4): | 1,788,212,392 | 1,881,147,240 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 94,057,362 |
Confidence Interval Values (5)
| State Lower Limit: | 1,787,089,878 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,788,212,392 | (Within Confidence Interval) |
| State Upper Limit: | 1,975,204,602 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,059,345,923 | (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
