2010 Confidence Interval Detail
057/Dallas
057-909/Garland ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,343,673,810 | 0.9887 | 2,370,460,008 | 75 | 25,684 | .006867394 |
| A | 2,185,302,010 | 0.9944 | 2,197,608,618 | 75 | 17,734 | .005753916 |
| A | 2,268,825,090 | 1.0149 | 2,235,515,903 | 75 | 14,046 | .004370385 |
| A | 2,269,379,250 | 0.9933 | 2,284,686,651 | 75 | 9,168 | .006303459 |
| B | 143,968,740 | 0.9720 | 148,115,988 | 21 | 897 | .009633474 |
| B | 141,398,850 | 0.7619 | 185,587,151 | 10 | 54 | .034413456 |
| B | 136,034,010 | 0.8362 | 162,681,189 | 7 | 19 | .028547928 |
| B | 149,562,080 | 0.9293 | 160,940,579 | 6 | 10 | .009101610 |
| C | 67,045,680 | 0.9453 | 70,925,294 | 12 | 1,508 | .057500733 |
| C | 79,302,570 | 1.0108 | 78,455,253 | 10 | 420 | .020612620 |
| C | 74,812,910 | 0.9166 | 81,620,020 | 9 | 122 | .047614397 |
| C | 74,260,120 | 1.0120 | 73,379,565 | 8 | 33 | .001842751 |
| F1 | 568,116,440 | 0.9247 | 614,379,193 | 20 | 1,224 | .078447261 |
| F1 | 574,383,340 | 0.9962 | 576,574,322 | 10 | 346 | .036344496 |
| F1 | 531,839,310 | 0.9506 | 559,477,498 | 11 | 124 | .004737679 |
| F1 | 502,453,750 | 0.9654 | 520,461,726 | 8 | 39 | .008778084 |
| L1 | 233,218,940 | 1.2316 | 189,362,569 | 10 | 1,389 | .084836660 |
| L1 | 216,947,570 | 1.0541 | 205,813,082 | 10 | 232 | .003219319 |
| L1 | 242,558,290 | 1.0983 | 220,848,848 | 10 | 63 | .004740494 |
| L1 | 164,437,950 | 1.0421 | 157,794,789 | 6 | 13 | .005502612 |
| Random Totals: | 12,967,520,710 | 13,094,688,246 | 468 | 73,125 | ||
| Catg J Exception Values: | 155,547,285 | 141,403,604 | ||||
| Catg D1 Exception Values: | 456,332 | 404,039 | ||||
| Total Test Values (4): | 13,123,524,327 | 13,236,495,889 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 661,824,794 |
Confidence Interval Values (5)
| State Lower Limit: | 12,574,671,095 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 13,123,524,327 | (Within Confidence Interval) |
| State Upper Limit: | 13,898,320,683 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 13,386,834,486 | (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