2008 Confidence Interval Detail
245/Willacy
245-902/Lyford CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 11,557,753 | 0.9520 | 12,140,497 | 18 | 630 | .016635938 |
| A | 11,316,353 | 0.8969 | 12,617,185 | 15 | 349 | .058861641 |
| A | 11,524,249 | 0.9739 | 11,833,093 | 15 | 238 | .007788365 |
| A | 12,992,094 | 0.9920 | 13,096,869 | 15 | 136 | .011094983 |
| D3 | 17,175,490 | 0.9925 | 17,305,280 | 21 | 2,530 | .022512143 |
| G1 | 36,288,486 | 0.8165 | 44,443,951 | 15 | 39 | .227082661 |
| L1 | 472,232 | 0.9119 | 517,855 | 5 | 15 | .005287172 |
| L1 | 501,318 | 0.9825 | 510,247 | 4 | 6 | .005772027 |
| L1 | 404,478 | 0.8755 | 461,997 | 2 | 2 | .021545091 |
| Random Totals: | 102,232,453 | 112,926,974 | 110 | 3,945 | ||
| Catg J Exception Values: | 6,616,943 | 6,569,896 | ||||
| Catg D1 Exception Values: | 40,995,452 | 42,479,294 | ||||
| Catg G1 Exception Values: | 32,558,049 | 32,546,759 | ||||
| Catg L1 Exception Values: | 9,056,954 | 9,053,573 | ||||
| Total Test Values (4): | 191,459,851 | 203,576,496 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 10,178,825 |
Confidence Interval Values (5)
| Local Test Value: | 191,459,851 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 193,397,671 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 213,755,321 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 191,953,826 | (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