2012 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 | 88,287,267 | 0.9223 | 95,725,108 | 16 | 2,371 | .030794540 |
| A | 89,462,409 | 0.8583 | 104,232,097 | 16 | 1,314 | .033299141 |
| A | 88,664,318 | 0.8541 | 103,810,231 | 17 | 774 | .038755414 |
| A | 92,183,646 | 0.9480 | 97,240,133 | 17 | 496 | .006472589 |
| D3 | 143,800,228 | 0.9701 | 148,232,376 | 19 | 5,224 | .019993438 |
| F1 | 31,002,064 | 0.7780 | 39,848,411 | 10 | 339 | .127569241 |
| F1 | 30,245,960 | 0.8557 | 35,346,453 | 9 | 86 | .082681114 |
| F1 | 31,733,035 | 0.6168 | 51,447,852 | 10 | 33 | .136472637 |
| F1 | 37,230,148 | 0.9570 | 38,902,976 | 4 | 8 | .066426542 |
| L1 | 24,845,741 | 1.0236 | 24,272,901 | 10 | 381 | .002977493 |
| L1 | 30,071,765 | 1.0295 | 29,210,068 | 10 | 88 | .010643067 |
| L1 | 29,674,873 | 0.9525 | 31,154,722 | 8 | 21 | .002770966 |
| L1 | 54,805,242 | 0.9626 | 56,934,596 | 3 | 10 | .007939826 |
| Random Totals: | 772,006,696 | 856,357,924 | 149 | 11,145 | ||
| Catg D1 Exception Values: | 21,569,385 | 22,425,814 | ||||
| Total Test Values (4): | 793,576,081 | 878,783,738 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 43,939,187 |
Confidence Interval Values (5)
| Local Test Value: | 793,576,081 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 834,844,551 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 922,722,925 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,596,956,956 | (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