2007 Confidence Interval Detail
125/Jim Wells
125-901/Alice ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 77,964,601 | 0.7951 | 98,056,346 | 14 | 2,295 | .049678097 |
| A | 77,948,002 | 0.8411 | 92,673,882 | 24 | 1,294 | .018559207 |
| A | 77,962,225 | 0.8930 | 87,303,723 | 16 | 805 | .011974888 |
| A | 77,807,407 | 0.9541 | 81,550,579 | 17 | 467 | .009644271 |
| D3 | 72,711,124 | 0.7605 | 95,609,631 | 22 | 4,827 | .312927346 |
| F1 | 23,287,164 | 0.9389 | 24,802,603 | 7 | 322 | .015739632 |
| F1 | 23,346,104 | 0.9636 | 24,228,003 | 7 | 106 | .003354049 |
| F1 | 23,133,653 | 0.9404 | 24,599,801 | 6 | 39 | .004453306 |
| F1 | 23,068,706 | 0.9788 | 23,568,355 | 5 | 9 | .001320200 |
| L1 | 16,764,512 | 0.9739 | 17,213,792 | 7 | 357 | .004323032 |
| L1 | 16,788,108 | 1.0635 | 15,785,715 | 7 | 81 | .003388205 |
| L1 | 18,225,767 | 1.0164 | 17,931,687 | 6 | 29 | .001518388 |
| L1 | 15,077,725 | 1.0168 | 14,828,604 | 2 | 3 | .001354646 |
| Random Totals: | 544,085,098 | 618,152,721 | 140 | 10,634 | ||
| Catg D1 Exception Values: | 16,637,090 | 17,841,727 | ||||
| Total Test Values (4): | 560,722,188 | 635,994,448 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 31,799,722 |
Confidence Interval Values (5)
| Local Test Value: | 560,722,188 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 604,194,726 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 667,794,170 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 941,739,378 | (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
