2008 Confidence Interval Detail
236/Walker
236-902/Huntsville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 200,851,825 | 0.9095 | 220,837,631 | 12 | 3,441 | .043371877 |
| A | 204,928,611 | 0.9558 | 214,405,326 | 16 | 1,945 | .020628009 |
| A | 213,995,830 | 1.0027 | 213,419,597 | 9 | 1,464 | .015928898 |
| A | 241,030,980 | 0.9560 | 252,124,456 | 13 | 1,050 | .010322084 |
| B | 36,701,470 | 0.9896 | 37,087,177 | 7 | 176 | .021754611 |
| B | 33,473,800 | 1.0227 | 32,730,811 | 5 | 18 | .008200188 |
| B | 59,594,280 | 0.9422 | 63,250,138 | 4 | 11 | .002133577 |
| D3 | 238,391,980 | 0.8587 | 277,619,634 | 22 | 7,716 | .018960876 |
| F1 | 56,001,520 | 0.9429 | 59,392,852 | 7 | 350 | .011178800 |
| F1 | 51,748,730 | 0.9441 | 54,812,763 | 7 | 102 | .004557925 |
| F1 | 50,890,160 | 0.9544 | 53,321,626 | 6 | 41 | .023576438 |
| F1 | 61,868,660 | 0.9676 | 63,940,327 | 4 | 15 | .002430108 |
| L1 | 28,232,650 | 1.1253 | 25,088,998 | 7 | 363 | .521879223 |
| L1 | 25,880,260 | 0.9864 | 26,237,084 | 6 | 61 | .031884659 |
| L1 | 31,111,570 | 1.1921 | 26,098,121 | 7 | 24 | .028452020 |
| Random Totals: | 1,534,702,326 | 1,620,366,541 | 132 | 16,777 | ||
| Catg D1 Exception Values: | 35,111,512 | 34,596,502 | ||||
| Catg B Exception Values: | 26,014,650 | 27,049,438 | ||||
| Catg L1 Exception Values: | 58,233,760 | 56,574,274 | ||||
| Total Test Values (4): | 1,654,062,248 | 1,738,586,755 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 86,929,338 |
Confidence Interval Values (5)
| State Lower Limit: | 1,651,657,417 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,654,062,248 | (Within Confidence Interval) |
| State Upper Limit: | 1,825,516,093 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,652,920,248 | (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