2006 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 | 263,106,193 | 0.9775 | 269,162,346 | 49 | 3,088 | .004698282 |
| A | 263,251,505 | 1.0016 | 262,830,975 | 53 | 2,021 | .003981046 |
| A | 262,943,117 | 0.9974 | 263,628,551 | 50 | 1,488 | .003890824 |
| A | 262,910,225 | 0.9445 | 278,359,158 | 10 | 932 | .004584056 |
| D3 | 127,463,249 | 0.9659 | 131,963,194 | 12 | 3,500 | .078050380 |
| F1 | 63,243,260 | 0.8860 | 71,380,655 | 13 | 277 | .097564144 |
| F1 | 63,820,337 | 0.8775 | 72,729,729 | 9 | 84 | .160242517 |
| F1 | 66,015,900 | 0.9266 | 71,245,305 | 9 | 35 | .099974022 |
| F1 | 59,276,233 | 0.8741 | 67,814,018 | 4 | 6 | .017565500 |
| L1 | 33,149,925 | 0.8764 | 37,825,108 | 9 | 368 | .077947693 |
| L1 | 33,111,286 | 0.9807 | 33,762,910 | 10 | 81 | .016515653 |
| L1 | 33,644,715 | 1.0099 | 33,314,898 | 5 | 20 | .024043820 |
| Random Totals: | 1,531,935,945 | 1,594,016,847 | 233 | 11,900 | ||
| Catg D1 Exception Values: | 12,382,056 | 13,860,325 | ||||
| Catg L1 Exception Values: | 22,775,290 | 21,797,244 | ||||
| Total Test Values (4): | 1,567,093,291 | 1,629,674,416 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 81,483,721 |
Confidence Interval Values (5)
| State Lower Limit: | 1,548,190,695 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,567,093,291 | (Within Confidence Interval) |
| State Upper Limit: | 1,711,158,137 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,261,666,765 | (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