2009 Confidence Interval Detail
182/Palo Pinto
182-902/Graford ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 71,290,740 | 0.9866 | 72,259,011 | 14 | 675 | .002088483 |
| A | 91,407,370 | 0.8274 | 110,475,429 | 16 | 415 | .107336173 |
| A | 120,588,480 | 0.9458 | 127,498,922 | 28 | 272 | .026133227 |
| A | 97,109,070 | 0.9945 | 97,646,124 | 16 | 71 | .009047215 |
| C | 23,371,120 | 1.0148 | 23,030,272 | 40 | 398 | .007228901 |
| C | 22,674,470 | 0.9529 | 23,795,225 | 16 | 186 | .078928632 |
| C | 12,834,440 | 1.1258 | 11,400,284 | 6 | 61 | .046099768 |
| C | 11,888,290 | 0.9401 | 12,645,772 | 5 | 32 | .003260083 |
| D3 | 20,205,460 | 1.0013 | 20,179,227 | 9 | 1,322 | .003714304 |
| G1 | 11,731,160 | 0.9411 | 12,465,370 | 6 | 161 | .019767867 |
| G1 | 11,609,660 | 1.1029 | 10,526,485 | 7 | 54 | .016603170 |
| G1 | 11,976,080 | 1.0351 | 11,569,974 | 5 | 25 | .002998624 |
| G1 | 11,072,490 | 1.0688 | 10,359,740 | 2 | 5 | .023275671 |
| Random Totals: | 517,758,830 | 543,851,835 | 170 | 3,677 | ||
| Catg D1 Exception Values: | 7,732,600 | 8,307,800 | ||||
| Catg G1 Exception Values: | 14,266,080 | 14,591,097 | ||||
| Total Test Values (4): | 539,757,510 | 566,750,732 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 28,337,537 |
Confidence Interval Values (5)
| State Lower Limit: | 538,413,195 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 539,757,510 | (Within Confidence Interval) |
| State Upper Limit: | 595,088,269 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 624,664,156 | (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
