2009 Confidence Interval Detail
107/Henderson
107-910/La Poynor ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,409,980 | 0.8165 | 9,075,297 | 7 | 139 | .061115143 |
| A | 7,820,110 | 1.0013 | 7,809,957 | 6 | 81 | .009378310 |
| A | 7,891,830 | 1.0256 | 7,694,842 | 7 | 49 | .002924865 |
| A | 8,867,970 | 0.9968 | 8,896,439 | 5 | 29 | .004716064 |
| D3 | 63,570,500 | 1.0188 | 62,397,428 | 18 | 1,849 | .102691125 |
| G1 | 10,099,120 | 1.0078 | 10,020,957 | 5 | 6 | .006136502 |
| Random Totals: | 105,659,510 | 105,894,920 | 48 | 2,153 | ||
| Catg D1 Exception Values: | 6,605,930 | 6,588,325 | ||||
| Catg G1 Exception Values: | 140,203,365 | 145,125,564 | ||||
| Total Test Values (4): | 252,468,805 | 257,608,809 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 12,880,440 |
Confidence Interval Values (5)
| State Lower Limit: | 244,728,369 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 252,468,805 | (Within Confidence Interval) |
| State Upper Limit: | 270,489,249 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 277,464,600 | (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
