2008 Confidence Interval Detail
221/Taylor
221-912/Wylie ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 178,155,439 | 0.9922 | 179,555,976 | 23 | 1,732 | .002255640 |
| A | 180,471,762 | 0.9767 | 184,777,068 | 28 | 1,169 | .008745038 |
| A | 207,308,636 | 0.9916 | 209,064,780 | 27 | 1,023 | .001187975 |
| A | 194,560,695 | 1.0110 | 192,443,813 | 35 | 577 | .002304215 |
| D3 | 141,030,442 | 0.9720 | 145,093,047 | 28 | 2,763 | .009932729 |
| F1 | 15,982,650 | 0.9873 | 16,188,241 | 7 | 66 | .005848309 |
| F1 | 19,171,703 | 1.0129 | 18,927,538 | 5 | 26 | .010299502 |
| F1 | 19,925,460 | 0.9322 | 21,374,662 | 4 | 9 | .020760040 |
| L1 | 11,701,869 | 1.0634 | 11,004,203 | 12 | 93 | .011586791 |
| L1 | 12,486,425 | 1.0937 | 11,416,682 | 5 | 24 | .034254599 |
| L1 | 93,009,758 | 1.0128 | 91,834,279 | 5 | 11 | .002609344 |
| Random Totals: | 1,073,804,839 | 1,081,680,289 | 179 | 7,493 | ||
| Catg D1 Exception Values: | 5,734,628 | 5,317,628 | ||||
| Catg F1 Exception Values: | 67,903,912 | 68,785,863 | ||||
| Total Test Values (4): | 1,147,443,379 | 1,155,783,780 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 57,789,189 |
Confidence Interval Values (5)
| State Lower Limit: | 1,097,994,591 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,147,443,379 | (Within Confidence Interval) |
| State Upper Limit: | 1,213,572,969 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,179,029,176 | (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
