2006 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 | 518,746,371 | 0.9649 | 537,616,718 | 54 | 12,933 | .052352181 |
| A | 518,583,075 | 0.9570 | 541,884,091 | 59 | 7,331 | .026892057 |
| A | 518,610,928 | 0.9907 | 523,479,285 | 55 | 4,900 | .012268444 |
| A | 517,929,045 | 0.9938 | 521,160,238 | 54 | 2,636 | .005712909 |
| F1 | 179,199,537 | 0.9723 | 184,304,779 | 12 | 2,065 | .011799492 |
| F1 | 179,809,446 | 1.0210 | 176,111,113 | 9 | 534 | .008989762 |
| F1 | 179,610,334 | 1.0011 | 179,412,980 | 11 | 116 | .014252786 |
| F1 | 152,207,389 | 0.9755 | 156,030,127 | 9 | 12 | .003486992 |
| G1 | 615,450,662 | 1.0073 | 610,990,432 | 7 | 309 | .034074061 |
| G1 | 610,406,958 | 1.1740 | 519,937,784 | 6 | 32 | .060882528 |
| G1 | 687,379,762 | 0.9961 | 690,071,039 | 4 | 8 | .014303809 |
| L1 | 254,465,906 | 1.0165 | 250,335,372 | 12 | 1,091 | .007435731 |
| L1 | 253,789,066 | 0.9795 | 259,100,629 | 12 | 227 | .039438194 |
| L1 | 257,132,653 | 0.9198 | 279,552,786 | 11 | 60 | .061795203 |
| L1 | 248,349,359 | 1.0314 | 240,788,597 | 9 | 14 | .004615015 |
| Random Totals: | 5,691,670,491 | 5,670,775,970 | 324 | 32,268 | ||
| Catg D1 Exception Values: | 4,186,573 | 6,010,597 | ||||
| Catg G1 Exception Values: | 537,953,755 | 560,022,519 | ||||
| Total Test Values (4): | 6,233,810,819 | 6,236,809,086 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 311,840,454 |
Confidence Interval Values (5)
| State Lower Limit: | 5,924,968,632 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 6,233,810,819 | (Within Confidence Interval) |
| State Upper Limit: | 6,548,649,540 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 6,820,852,129 | (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