2009 Confidence Interval Detail
070/Ellis
070-912/Waxahachie ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 328,176,424 | 0.9808 | 334,600,759 | 30 | 3,763 | .028492556 |
| A | 317,075,726 | 0.9983 | 317,615,673 | 68 | 2,445 | .004824234 |
| A | 313,354,397 | 1.0062 | 311,423,571 | 54 | 1,797 | .004289956 |
| A | 312,143,465 | 1.0575 | 295,171,125 | 27 | 1,073 | .109612315 |
| D3 | 149,660,856 | 0.9798 | 152,746,332 | 28 | 3,457 | .011932995 |
| F1 | 80,681,262 | 0.9219 | 87,516,284 | 13 | 289 | .115054856 |
| F1 | 90,367,455 | 0.9951 | 90,812,436 | 14 | 98 | .041602714 |
| F1 | 96,302,858 | 1.0219 | 94,239,023 | 12 | 35 | .010807931 |
| F1 | 69,151,829 | 0.9519 | 72,646,107 | 6 | 8 | .002982071 |
| L1 | 35,599,474 | 0.9087 | 39,176,267 | 8 | 391 | .036829148 |
| L1 | 36,305,840 | 1.0397 | 34,919,534 | 7 | 88 | .030660475 |
| L1 | 29,505,639 | 0.9631 | 30,636,112 | 6 | 20 | .004712459 |
| L1 | 37,267,120 | 1.0433 | 35,720,426 | 3 | 5 | .003596025 |
| Random Totals: | 1,895,592,345 | 1,897,223,649 | 276 | 13,469 | ||
| Catg D1 Exception Values: | 14,321,354 | 13,380,961 | ||||
| Total Test Values (4): | 1,909,913,699 | 1,910,604,610 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 95,530,231 |
Confidence Interval Values (5)
| State Lower Limit: | 1,815,074,379 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,909,913,699 | (Within Confidence Interval) |
| State Upper Limit: | 2,006,134,841 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,755,361,573 | (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