2011 Confidence Interval Detail
236/Walker
236-901/New Waverly ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 16,221,520 | 0.9336 | 17,375,236 | 11 | 352 | .008252793 |
| A | 17,568,060 | 1.0104 | 17,387,233 | 10 | 223 | .008406690 |
| A | 20,527,600 | 0.9978 | 20,572,860 | 11 | 169 | .005527898 |
| A | 26,293,830 | 0.9888 | 26,591,657 | 10 | 111 | .004083788 |
| C | 7,626,500 | 0.8936 | 8,534,579 | 12 | 553 | .035728365 |
| C | 581,390 | 0.9465 | 614,253 | 10 | 26 | .048883635 |
| C | 3,881,980 | 1.0700 | 3,628,019 | 11 | 140 | .009192991 |
| C | 4,761,670 | 1.1488 | 4,144,908 | 10 | 95 | .044025349 |
| D3 | 94,512,830 | 0.9752 | 96,916,356 | 17 | 1,994 | .058655450 |
| Random Totals: | 191,975,380 | 195,765,101 | 102 | 3,663 | ||
| Catg J Exception Values: | 7,103,361 | 7,562,867 | ||||
| Catg D1 Exception Values: | 5,678,595 | 5,241,103 | ||||
| Total Test Values (4): | 204,757,336 | 208,569,071 |
Margin of Error
| Margin of Error Percent: | 5.4959318 |
|---|---|
| Margin of Error Value: | 11,462,814 |
Confidence Interval Values (5)
| State Lower Limit: | 197,106,257 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 204,757,336 | (Within Confidence Interval) |
| State Upper Limit: | 220,031,885 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 231,695,861 | (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