2008 Confidence Interval Detail
102/Harrison
102-901/Karnack ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 21,697,180 | 0.9161 | 23,684,292 | 15 | 540 | .102274116 |
| A | 22,955,800 | 1.0241 | 22,415,584 | 15 | 262 | .026006866 |
| A | 20,196,150 | 1.0435 | 19,354,241 | 15 | 149 | .043003612 |
| A | 23,882,250 | 1.1157 | 21,405,620 | 16 | 103 | .029912436 |
| D3 | 29,385,340 | 0.7217 | 40,716,835 | 37 | 1,523 | .217712382 |
| G1 | 13,455,719 | 1.0157 | 13,247,730 | 6 | 37 | .017670926 |
| G1 | 13,105,368 | 0.9906 | 13,229,727 | 5 | 16 | .000111328 |
| G1 | 12,399,238 | 0.9676 | 12,814,425 | 4 | 9 | .021364975 |
| G1 | 12,520,322 | 1.0968 | 11,415,319 | 3 | 5 | .003466259 |
| Random Totals: | 169,597,367 | 178,283,773 | 116 | 2,644 | ||
| Catg J Exception Values: | 6,541,037 | 6,681,295 | ||||
| Catg D1 Exception Values: | 5,885,920 | 6,430,780 | ||||
| Total Test Values (4): | 182,024,324 | 191,395,848 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 9,569,792 |
Confidence Interval Values (5)
| State Lower Limit: | 181,826,056 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 182,024,324 | (Within Confidence Interval) |
| State Upper Limit: | 200,965,640 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 196,435,561 | (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