2006 Confidence Interval Detail
070/Ellis
070-903/Ennis ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 125,424,654 | 0.9907 | 126,602,053 | 13 | 2,149 | .003253613 |
| A | 125,004,406 | 0.9658 | 129,430,944 | 38 | 1,336 | .004843098 |
| A | 125,497,790 | 0.9841 | 127,525,445 | 52 | 915 | .003605380 |
| A | 125,170,001 | 1.0010 | 125,044,956 | 44 | 539 | .009249181 |
| D3 | 130,163,904 | 0.8491 | 153,296,318 | 12 | 4,715 | .104504856 |
| F1 | 32,193,919 | 0.9712 | 33,148,599 | 8 | 232 | .014919713 |
| F1 | 32,764,815 | 0.9711 | 33,739,898 | 8 | 84 | .021147066 |
| F1 | 32,141,540 | 0.9127 | 35,215,887 | 8 | 31 | .041722715 |
| F1 | 31,550,481 | 0.9632 | 32,755,898 | 6 | 8 | .000774851 |
| L1 | 18,780,155 | 0.8406 | 22,341,369 | 11 | 273 | .333505407 |
| L1 | 18,900,955 | 0.8690 | 21,750,236 | 6 | 72 | .155914749 |
| L1 | 18,751,580 | 1.0256 | 18,283,522 | 5 | 20 | .004684976 |
| L1 | 18,158,546 | 1.0321 | 17,593,785 | 3 | 4 | .004006456 |
| Random Totals: | 834,502,746 | 876,728,910 | 214 | 10,378 | ||
| Catg J Exception Values: | 62,917,413 | 61,679,349 | ||||
| Catg D1 Exception Values: | 15,513,275 | 14,407,444 | ||||
| Total Test Values (4): | 912,933,434 | 952,815,703 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 47,640,785 |
Confidence Interval Values (5)
| State Lower Limit: | 905,174,918 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 912,933,434 | (Within Confidence Interval) |
| State Upper Limit: | 1,000,456,488 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,489,190,705 | (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