2012 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 | 268,924,365 | 0.9328 | 288,297,990 | 23 | 4,912 | .012594427 |
| A | 266,294,340 | 0.9870 | 269,801,763 | 43 | 2,769 | .010282275 |
| A | 279,707,444 | 1.0211 | 273,927,572 | 26 | 1,871 | .006053352 |
| A | 301,044,664 | 1.0167 | 296,099,797 | 29 | 1,028 | .003166013 |
| F1 | 108,780,616 | 0.8573 | 126,887,456 | 10 | 544 | .051337627 |
| F1 | 111,254,861 | 0.9923 | 112,118,171 | 9 | 145 | .055570974 |
| F1 | 99,760,188 | 0.8808 | 113,260,886 | 8 | 49 | .020774514 |
| F1 | 104,452,380 | 0.8475 | 123,247,646 | 5 | 11 | .018758440 |
| L1 | 53,828,020 | 0.9868 | 54,548,054 | 11 | 557 | .023334178 |
| L1 | 59,169,330 | 1.0482 | 56,448,512 | 9 | 124 | .067892264 |
| L1 | 45,963,070 | 1.0135 | 45,350,834 | 8 | 26 | .000945348 |
| Random Totals: | 1,699,179,278 | 1,759,988,681 | 181 | 12,036 | ||
| Catg J Exception Values: | 69,599,150 | 68,100,457 | ||||
| Catg D1 Exception Values: | 9,414,307 | 9,431,536 | ||||
| Catg L1 Exception Values: | 34,089,070 | 33,775,640 | ||||
| Total Test Values (4): | 1,812,281,805 | 1,871,296,314 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 93,564,816 |
Confidence Interval Values (5)
| State Lower Limit: | 1,777,731,498 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,812,281,805 | (Within Confidence Interval) |
| State Upper Limit: | 1,964,861,130 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,179,040,257 | (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