2009 Confidence Interval Detail
250/Wood
230-901/Big Sandy ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,591,260 | 1.0482 | 1,518,088 | 8 | 33 | .075610871 |
| A | 1,407,410 | 0.9553 | 1,473,265 | 7 | 17 | .017305337 |
| A | 1,740,940 | 0.9535 | 1,825,842 | 6 | 16 | .021861475 |
| A | 1,541,820 | 0.9870 | 1,562,128 | 4 | 7 | .010050912 |
| D3 | 4,644,113 | 1.1904 | 3,901,305 | 20 | 235 | .240146774 |
| Random Totals: | 10,925,543 | 10,280,628 | 45 | 308 | ||
| Catg D1 Exception Values: | 861,463 | 817,216 | ||||
| Catg G1 Exception Values: | 14,554,501 | 14,830,001 | ||||
| Total Test Values (4): | 26,341,507 | 25,927,845 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,296,392 |
Confidence Interval Values (5)
| State Lower Limit: | 24,631,453 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 26,341,507 | (Within Confidence Interval) |
| State Upper Limit: | 27,224,237 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 25,633,847 | (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