2007 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 | 136,993,381 | 0.8508 | 161,017,138 | 11 | 2,367 | .020302303 |
| A | 136,791,890 | 0.9623 | 142,150,982 | 9 | 1,408 | .013336837 |
| A | 136,928,714 | 0.9099 | 150,487,651 | 10 | 952 | .008223641 |
| A | 136,836,959 | 0.8745 | 156,474,510 | 9 | 559 | .020101563 |
| D3 | 137,745,779 | 0.9197 | 149,772,512 | 25 | 4,665 | .076912179 |
| F1 | 35,696,283 | 0.9827 | 36,324,700 | 9 | 242 | .004119331 |
| F1 | 35,675,871 | 0.9677 | 36,866,664 | 8 | 84 | .003390944 |
| F1 | 35,657,691 | 0.9412 | 37,885,350 | 7 | 31 | .013796798 |
| F1 | 35,509,845 | 0.9750 | 36,420,354 | 5 | 9 | .007203889 |
| L1 | 19,334,174 | 0.9430 | 20,502,836 | 7 | 254 | .203397159 |
| L1 | 19,653,397 | 0.9522 | 20,639,988 | 6 | 55 | .007852258 |
| L1 | 18,913,314 | 1.0563 | 17,905,249 | 6 | 17 | .034728857 |
| L1 | 19,215,918 | 0.9935 | 19,341,639 | 4 | 6 | .011861551 |
| Random Totals: | 904,953,216 | 985,789,573 | 116 | 10,649 | ||
| Catg J Exception Values: | 48,776,530 | 47,896,556 | ||||
| Catg D1 Exception Values: | 15,248,847 | 13,305,339 | ||||
| Total Test Values (4): | 968,978,593 | 1,046,991,468 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 52,349,573 |
Confidence Interval Values (5)
| Local Test Value: | 968,978,593 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 994,641,895 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,099,341,041 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,568,098,850 | (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