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246/Williamson
2016 Confidence Interval Detail
246/Williamson
246-905/Granger ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 12,102,474 | 1.0211 | 11,852,389 | 10 | 230 | .115570179 |
| A | 13,013,643 | 1.1038 | 11,789,856 | 9 | 151 | .109829245 |
| A | 15,768,473 | 0.9467 | 16,656,251 | 9 | 130 | .014124419 |
| A | 16,880,307 | 0.8970 | 18,818,625 | 8 | 65 | .053853747 |
| E | 52,225,903 | 0.8633 | 60,495,660 | 15 | 544 | .123685151 |
| F1 | 1,704,512 | 0.9971 | 1,709,469 | 7 | 23 | .038878249 |
| F1 | 2,077,942 | 0.9761 | 2,128,821 | 5 | 14 | .020717198 |
| F1 | 2,132,473 | 1.0301 | 2,070,161 | 4 | 7 | .001965192 |
| F1 | 2,110,478 | 0.9950 | 2,121,083 | 2 | 4 | .008695080 |
| Random Totals: | 118,016,205 | 127,642,315 | 69 | 1,168 | ||
| Catg J Exception Values: | 8,900,631 | 9,763,754 | ||||
| Catg D1 Exception Values: | 22,761,165 | 23,472,856 | ||||
| Total Test Values (4): | 149,678,001 | 160,878,925 |
Margin of Error
| Margin of Error Percent: | 7.3566056 |
|---|---|
| Margin of Error Value: | 11,835,228 |
Confidence Interval Values (5)
| State Lower Limit: | 149,043,697 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 149,678,001 | (Within Confidence Interval) |
| State Upper Limit: | 172,714,153 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 141,193,954 | (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