2008 Confidence Interval Detail
054/Crosby
054-903/Ralls ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 6,405,210 | 0.9582 | 6,684,627 | 15 | 289 | .036640071 |
| A | 6,423,850 | 0.9498 | 6,763,371 | 15 | 160 | .042484881 |
| A | 7,752,460 | 0.9962 | 7,782,032 | 16 | 126 | .017813276 |
| A | 12,085,080 | 1.0744 | 11,248,213 | 18 | 104 | .037052101 |
| D3 | 8,108,560 | 0.9884 | 8,203,723 | 20 | 1,447 | .029838771 |
| G1 | 5,939,725 | 0.9930 | 5,981,596 | 15 | 21 | .005592389 |
| Random Totals: | 46,714,885 | 46,663,562 | 99 | 2,147 | ||
| Catg D1 Exception Values: | 22,275,150 | 21,666,781 | ||||
| Catg G1 Exception Values: | 27,292,618 | 26,569,837 | ||||
| Total Test Values (4): | 96,282,653 | 94,900,180 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 4,745,009 |
Confidence Interval Values (5)
| State Lower Limit: | 90,155,171 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 96,282,653 | (Within Confidence Interval) |
| State Upper Limit: | 99,645,189 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 103,042,984 | (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
