2007 Confidence Interval Detail
109/Hill
109-911/Whitney ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 76,585,373 | 0.9265 | 82,660,953 | 49 | 1,663 | .060184714 |
| A | 76,543,384 | 0.9831 | 77,859,205 | 43 | 771 | .026948833 |
| A | 76,436,501 | 0.9641 | 79,282,752 | 32 | 430 | .020496772 |
| A | 76,505,817 | 0.9698 | 78,888,242 | 17 | 239 | .006471252 |
| C | 25,644,692 | 0.7785 | 32,941,159 | 40 | 3,308 | .118891879 |
| C | 12,841,034 | 0.8615 | 14,905,437 | 52 | 1,066 | .105200226 |
| C | 22,693,598 | 0.9295 | 24,414,845 | 16 | 1,048 | .117611130 |
| C | 15,286,294 | 0.9251 | 16,523,937 | 15 | 277 | .047841468 |
| D3 | 51,522,643 | 1.0240 | 50,315,081 | 18 | 1,972 | .021861253 |
| F1 | 13,298,310 | 1.0639 | 12,499,586 | 7 | 142 | .043206807 |
| F1 | 13,341,937 | 1.0962 | 12,171,079 | 8 | 52 | .089748589 |
| F1 | 13,267,993 | 0.8973 | 14,786,574 | 7 | 26 | .067278417 |
| F1 | 12,858,779 | 0.9112 | 14,111,917 | 4 | 8 | .035134010 |
| Random Totals: | 486,826,355 | 511,360,767 | 308 | 11,002 | ||
| Catg D1 Exception Values: | 3,603,159 | 2,926,302 | ||||
| Total Test Values (4): | 490,429,514 | 514,287,069 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 25,714,353 |
Confidence Interval Values (5)
| State Lower Limit: | 488,572,716 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 490,429,514 | (Within Confidence Interval) |
| State Upper Limit: | 540,001,422 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 479,156,869 | (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