2006 Confidence Interval Detail
170/Montgomery
170-902/Conroe ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,384,492,367 | 0.9418 | 2,531,845,792 | 42 | 21,325 | .009528394 |
| A | 2,384,160,454 | 0.9568 | 2,491,806,495 | 44 | 13,288 | .005857278 |
| A | 2,384,220,186 | 0.9394 | 2,538,024,469 | 37 | 8,501 | .003131415 |
| A | 2,383,875,930 | 0.9560 | 2,493,594,069 | 37 | 4,170 | .011121851 |
| B | 103,603,139 | 1.0369 | 99,916,230 | 8 | 28 | .012118670 |
| B | 104,947,001 | 1.0269 | 102,197,878 | 6 | 15 | .004260060 |
| B | 106,891,640 | 1.0582 | 101,012,701 | 4 | 9 | .001381475 |
| B | 96,412,841 | 0.9698 | 99,415,179 | 3 | 5 | .007547174 |
| C | 131,552,152 | 0.9829 | 133,840,830 | 13 | 8,266 | .006994798 |
| C | 124,995,200 | 0.9835 | 127,092,222 | 13 | 2,927 | .008279879 |
| C | 128,243,678 | 1.0140 | 126,473,055 | 16 | 766 | .024199230 |
| C | 128,235,675 | 0.9183 | 139,644,642 | 9 | 135 | .050177199 |
| F1 | 548,766,105 | 0.9679 | 566,965,704 | 7 | 993 | .007640284 |
| F1 | 550,846,710 | 0.9421 | 584,700,892 | 7 | 214 | .004221682 |
| F1 | 555,801,503 | 1.0009 | 555,301,731 | 6 | 70 | .028443231 |
| F1 | 537,316,425 | 0.9749 | 551,150,297 | 5 | 16 | .008561922 |
| L1 | 303,800,229 | 0.9429 | 322,197,719 | 9 | 2,477 | .014309885 |
| L1 | 303,463,857 | 1.0021 | 302,827,918 | 8 | 403 | .000128694 |
| L1 | 307,374,250 | 0.9800 | 313,647,194 | 7 | 94 | .001564459 |
| L1 | 299,248,312 | 1.0157 | 294,622,735 | 5 | 21 | .001181162 |
| Random Totals: | 13,868,247,654 | 14,476,277,752 | 286 | 63,723 | ||
| Catg D1 Exception Values: | 51,357,029 | 50,746,354 | ||||
| Total Test Values (4): | 13,919,604,683 | 14,527,024,106 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 726,351,205 |
Confidence Interval Values (5)
| State Lower Limit: | 13,800,672,901 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 13,919,604,683 | (Within Confidence Interval) |
| State Upper Limit: | 15,253,375,311 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 14,459,258,300 | (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