2007 Confidence Interval Detail
158/Matagorda
158-906/Van Vleck ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 60,338,496 | 0.8512 | 70,886,391 | 19 | 1,172 | .069356475 |
| A | 60,153,199 | 0.8993 | 66,888,912 | 19 | 615 | .058839300 |
| A | 60,235,198 | 0.9120 | 66,047,366 | 22 | 447 | .032459989 |
| A | 60,045,935 | 0.9734 | 61,686,804 | 15 | 285 | .038832055 |
| C | 17,957,302 | 0.8094 | 22,185,943 | 26 | 2,074 | .246176015 |
| C | 11,626,088 | 0.7835 | 14,838,657 | 10 | 470 | .151113099 |
| C | 13,659,438 | 0.9800 | 13,938,202 | 13 | 348 | .071140023 |
| C | 11,030,478 | 1.0621 | 10,385,536 | 23 | 169 | .025897275 |
| D3 | 32,755,327 | 0.9246 | 35,426,484 | 21 | 3,031 | .040744571 |
| G1 | 13,992,700 | 0.7736 | 18,087,771 | 5 | 19 | .068182253 |
| G1 | 12,368,070 | 0.9065 | 13,643,762 | 3 | 4 | .031995227 |
| G1 | 25,451,490 | 1.1016 | 23,104,112 | 2 | 3 | .006514176 |
| Random Totals: | 379,613,721 | 417,119,940 | 178 | 8,637 | ||
| Catg J Exception Values: | 12,831,397 | 12,020,951 | ||||
| Catg D1 Exception Values: | 16,315,984 | 17,294,901 | ||||
| Catg G1 Exception Values: | 20,671,883 | 19,952,569 | ||||
| Total Test Values (4): | 429,432,985 | 466,388,361 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 23,319,418 |
Confidence Interval Values (5)
| Local Test Value: | 429,432,985 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 443,068,943 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 489,707,779 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 457,633,238 | (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