2006 Confidence Interval Detail
237/Waller
237-902/Hempstead ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 27,438,728 | 1.0057 | 27,283,214 | 11 | 762 | .017072887 |
| A | 27,284,492 | 0.9039 | 30,185,299 | 11 | 384 | .020198987 |
| A | 27,328,385 | 0.9640 | 28,348,947 | 12 | 246 | .006255551 |
| A | 27,332,657 | 0.9863 | 27,712,316 | 10 | 147 | .048024228 |
| D3 | 117,069,860 | 1.0345 | 113,165,645 | 24 | 4,150 | .083901778 |
| F1 | 10,558,763 | 0.9598 | 11,001,003 | 9 | 126 | .010106693 |
| F1 | 10,474,149 | 0.9499 | 11,026,581 | 6 | 36 | .012411181 |
| F1 | 10,850,250 | 0.9349 | 11,605,787 | 6 | 13 | .004725530 |
| L1 | 6,027,974 | 0.9182 | 6,564,990 | 7 | 136 | .060539295 |
| L1 | 6,235,825 | 0.9676 | 6,444,631 | 7 | 29 | .007433298 |
| L1 | 5,864,388 | 0.9953 | 5,892,081 | 4 | 10 | .004734179 |
| L1 | 5,800,845 | 0.9169 | 6,326,584 | 3 | 4 | .019776920 |
| Random Totals: | 282,266,316 | 285,557,078 | 110 | 6,043 | ||
| Catg D1 Exception Values: | 10,293,640 | 10,137,000 | ||||
| Catg F1 Exception Values: | 3,600,880 | 3,783,294 | ||||
| Total Test Values (4): | 296,160,836 | 299,477,372 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 14,973,869 |
Confidence Interval Values (5)
| State Lower Limit: | 284,503,503 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 296,160,836 | (Within Confidence Interval) |
| State Upper Limit: | 314,451,241 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 340,334,760 | (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