2009 Confidence Interval Detail
139/Lamar
139-911/North Lamar ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 87,404,780 | 0.9773 | 89,434,953 | 18 | 1,465 | .047362136 |
| A | 87,724,420 | 0.9530 | 92,050,808 | 19 | 925 | .007068429 |
| A | 89,065,580 | 0.9788 | 90,994,667 | 14 | 638 | .010064702 |
| A | 88,305,669 | 1.0127 | 87,198,251 | 13 | 363 | .008578405 |
| D3 | 194,762,027 | 0.8916 | 218,441,035 | 29 | 7,692 | .061454455 |
| F1 | 21,797,680 | 1.0540 | 20,680,911 | 7 | 173 | .008935265 |
| F1 | 20,323,380 | 0.8487 | 23,946,483 | 6 | 52 | .016616243 |
| F1 | 20,409,410 | 1.0097 | 20,213,341 | 5 | 17 | .001232760 |
| L1 | 15,474,010 | 1.0247 | 15,101,015 | 9 | 225 | .003388918 |
| L1 | 13,772,790 | 1.0645 | 12,938,271 | 6 | 30 | .056277752 |
| L1 | 17,344,010 | 0.9836 | 17,633,194 | 3 | 6 | .000188106 |
| Random Totals: | 656,383,756 | 688,632,929 | 129 | 11,586 | ||
| Catg D1 Exception Values: | 19,208,521 | 16,172,031 | ||||
| Catg F1 Exception Values: | 20,166,200 | 22,485,571 | ||||
| Total Test Values (4): | 695,758,477 | 727,290,531 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 36,364,527 |
Confidence Interval Values (5)
| State Lower Limit: | 690,926,004 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 695,758,477 | (Within Confidence Interval) |
| State Upper Limit: | 763,655,058 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 831,456,369 | (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