2007 Confidence Interval Detail
184/Parker
184-902/Springtown ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 110,931,853 | 1.0026 | 110,644,178 | 12 | 1,560 | .077196699 |
| A | 111,121,787 | 0.9516 | 116,773,631 | 31 | 987 | .010416802 |
| A | 110,757,953 | 0.9913 | 111,730,004 | 53 | 705 | .005188182 |
| A | 110,865,358 | 0.9909 | 111,883,498 | 43 | 471 | .001134845 |
| D3 | 142,232,830 | 1.0060 | 141,384,523 | 20 | 3,796 | .002890138 |
| G1 | 13,000,780 | 0.8644 | 15,040,236 | 7 | 73 | .025904585 |
| G1 | 12,581,680 | 1.0116 | 12,437,406 | 6 | 20 | .021514486 |
| G1 | 15,427,470 | 1.0613 | 14,536,389 | 4 | 9 | .002137993 |
| Random Totals: | 626,919,711 | 634,429,865 | 176 | 7,621 | ||
| Catg J Exception Values: | 17,659,943 | 18,653,487 | ||||
| Catg D1 Exception Values: | 4,276,360 | 3,370,643 | ||||
| Catg G1 Exception Values: | 9,312,610 | 8,481,454 | ||||
| Total Test Values (4): | 658,168,624 | 664,935,449 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 33,246,772 |
Confidence Interval Values (5)
| State Lower Limit: | 631,688,677 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 658,168,624 | (Within Confidence Interval) |
| State Upper Limit: | 698,182,221 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 744,459,095 | (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