2011 Confidence Interval Detail
252/Young
252-901/Graham ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 70,397,820 | 0.8982 | 78,376,553 | 21 | 1,788 | .035702332 |
| A | 70,969,000 | 0.8367 | 84,820,127 | 19 | 948 | .022700906 |
| A | 70,805,150 | 0.9458 | 74,862,709 | 17 | 590 | .015283171 |
| A | 72,150,660 | 1.0135 | 71,189,600 | 10 | 309 | .049279660 |
| D3 | 57,196,010 | 0.9209 | 62,108,817 | 15 | 4,841 | .038384196 |
| F1 | 17,441,400 | 0.8441 | 20,662,718 | 11 | 271 | .136079435 |
| F1 | 18,087,780 | 0.8632 | 20,954,333 | 11 | 84 | .048295241 |
| F1 | 16,408,800 | 0.9605 | 17,083,602 | 9 | 18 | .030042620 |
| F1 | 17,640,440 | 0.8979 | 19,646,330 | 3 | 5 | .010757887 |
| G1 | 21,417,290 | 0.9625 | 22,251,730 | 10 | 237 | .040951917 |
| G1 | 21,611,560 | 1.0031 | 21,544,771 | 9 | 83 | .004090164 |
| G1 | 21,649,320 | 0.9755 | 22,193,050 | 8 | 31 | .053386920 |
| G1 | 20,860,091 | 0.9875 | 21,124,143 | 4 | 6 | .005203284 |
| L1 | 11,568,480 | 1.0099 | 11,455,075 | 11 | 169 | .012300798 |
| L1 | 11,865,950 | 1.0179 | 11,657,285 | 11 | 48 | .014006259 |
| L1 | 20,249,100 | 1.0580 | 19,139,036 | 6 | 11 | .005031423 |
| Random Totals: | 540,318,851 | 579,069,879 | 175 | 9,439 | ||
| Catg J Exception Values: | 4,189,371 | 3,969,361 | ||||
| Catg D1 Exception Values: | 25,173,530 | 25,422,462 | ||||
| Catg G1 Exception Values: | 33,693,470 | 32,728,818 | ||||
| Total Test Values (4): | 603,375,222 | 641,190,520 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 32,059,526 |
Confidence Interval Values (5)
| Local Test Value: | 603,375,222 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 609,130,994 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 673,250,046 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 654,755,561 | (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