2011 Confidence Interval Detail
114/Howard
058-909/Sands ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 5,264,781 | 0.9776 | 5,385,414 | 20 | 631 | .000999949 |
| G1 | 45,196,833 | 1.0373 | 43,571,612 | 8 | 35 | .017962836 |
| G1 | 44,971,273 | 1.0099 | 44,530,422 | 6 | 13 | .000922223 |
| G1 | 43,993,780 | 1.0127 | 43,442,066 | 4 | 7 | .002458075 |
| G1 | 39,638,014 | 1.1667 | 33,974,470 | 2 | 3 | .168037960 |
| Random Totals: | 179,064,681 | 170,903,984 | 40 | 689 | ||
| Catg D1 Exception Values: | 18,895,303 | 16,530,593 | ||||
| Total Test Values (4): | 197,959,984 | 187,434,577 |
Margin of Error
| Margin of Error Percent: | 6.5233113 |
|---|---|
| Margin of Error Value: | 12,226,941 |
Confidence Interval Values (5)
| State Lower Limit: | 175,207,636 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 197,959,984 | (Within Confidence Interval) |
| State Upper Limit: | 199,661,518 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 221,716,195 | (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