2009 Confidence Interval Detail
246/Williamson
246-906/Hutto ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 305,342,759 | 0.9595 | 318,231,119 | 51 | 2,535 | .004905902 |
| A | 201,129,417 | 0.9887 | 203,428,155 | 52 | 1,446 | .005808106 |
| A | 173,216,092 | 1.0094 | 171,603,024 | 34 | 1,076 | .003459450 |
| A | 237,636,906 | 1.0011 | 237,375,793 | 28 | 875 | .009649550 |
| D3 | 80,909,074 | 1.0493 | 77,107,666 | 13 | 1,316 | .137372787 |
| F1 | 40,741,324 | 0.9563 | 42,603,079 | 7 | 101 | .010138631 |
| F1 | 38,904,286 | 0.9471 | 41,077,274 | 6 | 31 | .001809203 |
| F1 | 35,531,664 | 0.9841 | 36,105,745 | 4 | 12 | .010328062 |
| L1 | 15,540,670 | 0.9832 | 15,806,214 | 7 | 109 | .162434993 |
| L1 | 19,170,576 | 0.9975 | 19,218,623 | 5 | 20 | .000662382 |
| L1 | 36,458,376 | 1.0258 | 35,541,408 | 3 | 5 | .001232610 |
| Random Totals: | 1,184,581,144 | 1,198,098,100 | 210 | 7,526 | ||
| Catg D1 Exception Values: | 10,364,518 | 7,947,153 | ||||
| Catg F1 Exception Values: | 24,249,787 | 26,828,218 | ||||
| Total Test Values (4): | 1,219,195,449 | 1,232,873,471 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 61,643,674 |
Confidence Interval Values (5)
| State Lower Limit: | 1,171,229,797 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,219,195,449 | (Within Confidence Interval) |
| State Upper Limit: | 1,294,517,145 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,374,521,427 | (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