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068/Ector
2018 Confidence Interval Detail
068/Ector
068-901/Ector County ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,254,467,073 | 0.8802 | 1,425,206,854 | 177 | 15,328 | .050825685 |
| A | 1,349,427,105 | 0.9297 | 1,451,465,102 | 189 | 9,443 | .016059040 |
| A | 1,432,001,026 | 0.9692 | 1,477,508,281 | 195 | 6,876 | .011779373 |
| A | 1,426,367,375 | 0.9567 | 1,490,924,402 | 160 | 3,862 | .023588158 |
| B | 81,430,640 | 0.9119 | 89,297,774 | 11 | 216 | .033893553 |
| B | 83,906,189 | 0.6781 | 123,737,191 | 9 | 26 | .039665362 |
| B | 84,176,838 | 0.6561 | 128,298,793 | 5 | 11 | .028255036 |
| F1 | 474,467,373 | 0.8616 | 550,681,724 | 22 | 2,289 | .035051190 |
| F1 | 489,445,089 | 0.9857 | 496,545,692 | 16 | 696 | .041790689 |
| F1 | 488,777,355 | 0.9485 | 515,316,136 | 12 | 259 | .016730460 |
| F1 | 576,197,894 | 1.0171 | 566,510,563 | 13 | 72 | .013701097 |
| G1 | 277,264,714 | 1.0111 | 274,220,862 | 10 | 292 | .003242273 |
| G1 | 277,027,108 | 1.0428 | 265,656,989 | 9 | 69 | .003049228 |
| G1 | 277,506,052 | 1.0554 | 262,939,219 | 8 | 33 | .013977840 |
| G1 | 268,290,173 | 1.0392 | 258,169,912 | 5 | 11 | .010713545 |
| L1 | 714,883,362 | 0.9539 | 749,432,186 | 10 | 1,103 | .026362349 |
| L1 | 666,459,578 | 1.0586 | 629,566,954 | 9 | 178 | .015176437 |
| L1 | 742,217,396 | 1.0388 | 714,494,990 | 9 | 69 | .010103687 |
| L1 | 901,005,619 | 0.9981 | 902,720,788 | 5 | 15 | .000673682 |
| Random Totals: | 11,865,317,959 | 12,372,694,412 | 874 | 40,848 | ||
| Catg J Exception Values: | 185,359,764 | 209,363,840 | ||||
| Catg D1 Exception Values: | 3,275,791 | 4,021,778 | ||||
| Catg B Exception Values: | 133,276,979 | 203,453,842 | ||||
| Total Test Values (4): | 12,187,230,493 | 12,789,533,872 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 639,476,693 |
Confidence Interval Values (5)
| State Lower Limit: | 12,150,057,179 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 12,187,230,493 | (Within Confidence Interval) |
| State Upper Limit: | 13,429,010,565 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 13,678,557,758 | (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, D2, E, 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