2007 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 | 193,935,577 | 0.9336 | 207,728,767 | 25 | 1,346 | .005250572 |
| A | 193,871,119 | 0.9789 | 198,049,973 | 24 | 1,152 | .002829645 |
| A | 193,896,989 | 1.0095 | 192,072,302 | 27 | 1,013 | .005277013 |
| A | 193,776,074 | 1.0345 | 187,313,750 | 22 | 631 | .012858856 |
| D3 | 95,331,009 | 1.0088 | 94,499,414 | 15 | 1,349 | .256530701 |
| F1 | 32,723,038 | 0.9492 | 34,474,334 | 7 | 84 | .002765968 |
| F1 | 31,666,640 | 0.9957 | 31,803,395 | 7 | 28 | .001048471 |
| F1 | 34,999,368 | 1.0953 | 31,954,139 | 4 | 10 | .009516642 |
| L1 | 11,396,119 | 0.9044 | 12,600,751 | 7 | 93 | .063662018 |
| L1 | 13,434,163 | 0.9813 | 13,690,169 | 6 | 20 | .001829382 |
| Random Totals: | 995,030,096 | 1,004,186,994 | 144 | 5,726 | ||
| Catg D1 Exception Values: | 7,697,346 | 7,998,967 | ||||
| Catg F1 Exception Values: | 31,428,906 | 28,556,194 | ||||
| Catg L1 Exception Values: | 36,233,611 | 36,369,830 | ||||
| Total Test Values (4): | 1,070,389,959 | 1,077,111,985 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 53,855,599 |
Confidence Interval Values (5)
| State Lower Limit: | 1,023,256,386 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,070,389,959 | (Within Confidence Interval) |
| State Upper Limit: | 1,130,967,584 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,188,911,912 | (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