2009 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 | 143,228,401 | 0.9829 | 145,720,217 | 14 | 2,384 | .007318427 |
| A | 140,706,186 | 1.0201 | 137,933,718 | 24 | 1,414 | .010059912 |
| A | 139,278,618 | 0.9994 | 139,362,235 | 24 | 964 | .003334982 |
| A | 136,963,735 | 0.9992 | 137,073,394 | 15 | 567 | .004339319 |
| D3 | 149,459,084 | 1.0037 | 148,908,124 | 17 | 4,351 | .074024671 |
| F1 | 42,252,671 | 0.9863 | 42,839,573 | 7 | 240 | .011005310 |
| F1 | 47,297,472 | 0.9685 | 48,835,800 | 7 | 84 | .001760336 |
| F1 | 47,734,321 | 0.9808 | 48,668,761 | 6 | 25 | .009305392 |
| F1 | 37,961,620 | 1.0250 | 37,035,727 | 3 | 5 | .004849011 |
| L1 | 20,456,929 | 1.0885 | 18,793,688 | 9 | 274 | .012121520 |
| L1 | 17,244,120 | 0.9931 | 17,363,931 | 7 | 60 | .005595502 |
| L1 | 25,706,250 | 0.9060 | 28,373,344 | 6 | 25 | .012581404 |
| L1 | 19,793,490 | 0.9344 | 21,183,101 | 3 | 5 | .001423518 |
| Random Totals: | 968,082,897 | 972,091,613 | 142 | 10,398 | ||
| Catg J Exception Values: | 55,760,676 | 55,639,855 | ||||
| Catg D1 Exception Values: | 16,024,175 | 13,298,437 | ||||
| Total Test Values (4): | 1,039,867,748 | 1,041,029,905 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 52,051,495 |
Confidence Interval Values (5)
| State Lower Limit: | 988,978,410 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,039,867,748 | (Within Confidence Interval) |
| State Upper Limit: | 1,093,081,400 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,686,936,003 | (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