2008 Confidence Interval Detail
250/Wood
250-904/Quitman ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 45,774,118 | 0.8939 | 51,207,202 | 24 | 1,000 | .104368197 |
| A | 44,498,680 | 0.9303 | 47,832,613 | 18 | 541 | .036091134 |
| A | 46,921,470 | 0.9487 | 49,458,701 | 16 | 404 | .030333006 |
| A | 50,382,140 | 0.9114 | 55,279,943 | 14 | 248 | .043441058 |
| D3 | 102,733,769 | 0.8662 | 118,602,827 | 26 | 4,112 | .029237779 |
| F1 | 8,149,710 | 0.9363 | 8,704,165 | 7 | 103 | .008331027 |
| F1 | 7,769,980 | 0.9283 | 8,370,117 | 7 | 40 | .017134633 |
| F1 | 7,851,940 | 0.9367 | 8,382,556 | 5 | 17 | .030233268 |
| F1 | 8,404,140 | 0.9335 | 9,002,828 | 3 | 7 | .001019130 |
| G1 | 29,455,340 | 1.0964 | 26,865,505 | 7 | 69 | .010842721 |
| G1 | 29,522,450 | 1.1812 | 24,993,608 | 6 | 18 | .071789974 |
| G1 | 32,705,470 | 1.0942 | 29,889,846 | 3 | 6 | .006050379 |
| Random Totals: | 414,169,207 | 438,589,911 | 136 | 6,565 | ||
| Catg D1 Exception Values: | 11,101,483 | 7,315,384 | ||||
| Catg G1 Exception Values: | 22,851,980 | 22,608,822 | ||||
| Total Test Values (4): | 448,122,670 | 468,514,117 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 23,425,706 |
Confidence Interval Values (5)
| State Lower Limit: | 445,088,411 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 448,122,670 | (Within Confidence Interval) |
| State Upper Limit: | 491,939,823 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 438,379,175 | (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