2006 Confidence Interval Detail
246/Williamson
246-911/Taylor ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 98,744,107 | 1.0140 | 97,380,776 | 47 | 1,522 | .033724990 |
| A | 98,754,312 | 0.9538 | 103,537,756 | 35 | 999 | .019864478 |
| A | 98,738,458 | 0.9538 | 103,521,134 | 35 | 806 | .014005456 |
| A | 98,596,752 | 0.9145 | 107,814,928 | 20 | 523 | .013298156 |
| D3 | 47,241,562 | 1.0120 | 46,681,385 | 14 | 1,485 | .092816377 |
| F1 | 34,409,757 | 1.0916 | 31,522,313 | 7 | 202 | .006380504 |
| F1 | 35,113,812 | 0.9869 | 35,579,909 | 8 | 38 | .021246924 |
| F1 | 46,359,582 | 1.0048 | 46,138,119 | 3 | 4 | .009239425 |
| L1 | 11,434,821 | 1.0132 | 11,285,848 | 8 | 214 | .010058181 |
| L1 | 11,696,972 | 1.0183 | 11,486,764 | 6 | 46 | .001366246 |
| L1 | 14,062,149 | 0.9799 | 14,350,596 | 4 | 5 | .000631268 |
| Random Totals: | 595,152,284 | 609,299,528 | 187 | 5,844 | ||
| Catg D1 Exception Values: | 9,542,827 | 9,827,078 | ||||
| Catg F1 Exception Values: | 29,900,000 | 29,659,750 | ||||
| Catg L1 Exception Values: | 9,683,503 | 8,931,428 | ||||
| Total Test Values (4): | 644,278,614 | 657,717,784 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 32,885,889 |
Confidence Interval Values (5)
| State Lower Limit: | 624,831,895 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 644,278,614 | (Within Confidence Interval) |
| State Upper Limit: | 690,603,673 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 691,664,200 | (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