2009 Confidence Interval Detail
241/Wharton
241-903/El Campo ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 99,856,574 | 0.9844 | 101,439,023 | 25 | 1,822 | .050182045 |
| A | 102,755,512 | 0.9428 | 108,989,724 | 11 | 1,007 | .028481139 |
| A | 100,508,005 | 0.9488 | 105,931,708 | 19 | 701 | .013510979 |
| A | 107,386,252 | 0.9612 | 111,721,028 | 11 | 467 | .020004148 |
| D3 | 86,518,116 | 1.0140 | 85,323,586 | 15 | 5,835 | .019582671 |
| F1 | 22,714,771 | 1.0375 | 21,893,755 | 7 | 272 | .012227657 |
| F1 | 23,451,046 | 1.0026 | 23,390,231 | 7 | 100 | .016728779 |
| F1 | 19,365,307 | 0.9553 | 20,271,440 | 6 | 29 | .007399597 |
| F1 | 26,572,951 | 0.9644 | 27,553,869 | 4 | 13 | .001135484 |
| G1 | 73,150,250 | 0.9820 | 74,491,090 | 9 | 80 | .105805966 |
| G1 | 74,300,595 | 0.9419 | 78,883,740 | 9 | 31 | .046309638 |
| G1 | 72,212,040 | 1.0175 | 70,970,064 | 5 | 12 | .018676325 |
| G1 | 72,528,860 | 1.0064 | 72,067,627 | 3 | 4 | .137986432 |
| L1 | 13,730,918 | 1.0118 | 13,570,783 | 7 | 295 | .010715952 |
| L1 | 14,199,255 | 1.0241 | 13,865,106 | 6 | 64 | .004040959 |
| L1 | 15,140,761 | 1.0187 | 14,862,826 | 5 | 26 | .001835294 |
| L1 | 13,473,728 | 0.9912 | 13,593,349 | 3 | 6 | .000560138 |
| Random Totals: | 937,864,941 | 958,818,949 | 152 | 10,764 | ||
| Catg J Exception Values: | 34,761,322 | 34,505,283 | ||||
| Catg D1 Exception Values: | 59,442,408 | 58,872,505 | ||||
| Total Test Values (4): | 1,032,068,671 | 1,052,196,737 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 52,609,837 |
Confidence Interval Values (5)
| State Lower Limit: | 999,586,900 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,032,068,671 | (Within Confidence Interval) |
| State Upper Limit: | 1,104,806,574 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,119,241,264 | (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