2011 Confidence Interval Detail
209/Shackelford
209-901/Albany ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 13,266,043 | 0.9929 | 13,360,905 | 11 | 334 | .021686381 |
| A | 14,015,689 | 0.9593 | 14,610,329 | 11 | 190 | .017532608 |
| A | 11,735,906 | 0.9812 | 11,960,768 | 11 | 109 | .011034804 |
| A | 16,356,442 | 1.0342 | 15,815,550 | 11 | 90 | .019155814 |
| D3 | 33,725,748 | 0.9472 | 35,605,731 | 15 | 2,625 | .116506698 |
| F1 | 3,185,054 | 0.9605 | 3,316,037 | 10 | 90 | .007662771 |
| F1 | 3,261,167 | 0.9432 | 3,457,556 | 8 | 42 | .013314567 |
| F1 | 2,920,531 | 0.9859 | 2,962,299 | 7 | 19 | .007449317 |
| F1 | 2,404,816 | 0.9438 | 2,548,014 | 4 | 7 | .024356394 |
| G1 | 16,873,200 | 1.0072 | 16,752,581 | 9 | 129 | .032503289 |
| G1 | 16,509,880 | 1.0031 | 16,458,858 | 8 | 33 | .010803048 |
| G1 | 17,381,470 | 1.0464 | 16,610,732 | 6 | 13 | .006248628 |
| G1 | 15,773,710 | 0.9873 | 15,976,613 | 3 | 5 | .004119790 |
| Random Totals: | 167,409,656 | 169,435,973 | 114 | 3,686 | ||
| Catg J Exception Values: | 5,883,843 | 5,769,521 | ||||
| Catg D1 Exception Values: | 20,895,405 | 23,153,532 | ||||
| Total Test Values (4): | 194,188,904 | 198,359,026 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 9,917,951 |
Confidence Interval Values (5)
| State Lower Limit: | 188,441,075 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 194,188,904 | (Within Confidence Interval) |
| State Upper Limit: | 208,276,977 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 281,776,534 | (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