2010 Confidence Interval Detail
217/Stonewall
217-901/Aspermont CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,618,466 | 0.7937 | 3,299,063 | 16 | 205 | .057707884 |
| A | 2,704,790 | 0.8491 | 3,185,479 | 12 | 112 | .027491848 |
| A | 2,638,510 | 0.8853 | 2,980,357 | 14 | 74 | .051974541 |
| A | 2,674,200 | 0.9692 | 2,759,183 | 9 | 41 | .003752639 |
| D3 | 11,608,353 | 0.7481 | 15,517,114 | 29 | 3,074 | .046785348 |
| G1 | 25,832,380 | 1.0059 | 25,680,863 | 9 | 61 | .044444520 |
| G1 | 27,061,291 | 1.0502 | 25,767,750 | 7 | 25 | .004289909 |
| G1 | 24,751,709 | 1.0180 | 24,314,056 | 5 | 9 | .001767118 |
| G1 | 25,272,058 | 1.0549 | 23,956,828 | 3 | 4 | .002278307 |
| Random Totals: | 125,161,757 | 127,460,693 | 104 | 3,605 | ||
| Catg J Exception Values: | 4,592,313 | 4,293,772 | ||||
| Catg D1 Exception Values: | 28,973,750 | 27,791,259 | ||||
| Catg G1 Exception Values: | 40,100,880 | 41,651,244 | ||||
| Total Test Values (4): | 198,828,700 | 201,196,968 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,059,848 |
Confidence Interval Values (5)
| State Lower Limit: | 191,137,120 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 198,828,700 | (Within Confidence Interval) |
| State Upper Limit: | 211,256,816 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 216,602,360 | (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
