2007 Confidence Interval Detail
101/Harris
101-912/Houston ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 13,320,248,865 | 0.9845 | 13,529,963,296 | 66 | 125,075 | .009382246 |
| A | 13,321,141,675 | 0.9881 | 13,481,572,386 | 70 | 61,928 | .004629984 |
| A | 13,319,706,634 | 0.9741 | 13,673,859,598 | 84 | 32,253 | .007143867 |
| A | 13,319,195,477 | 0.9843 | 13,531,642,260 | 76 | 12,018 | .005609939 |
| B | 2,064,587,317 | 0.9403 | 2,195,668,741 | 111 | 4,662 | .017716277 |
| B | 2,067,416,866 | 1.0598 | 1,950,761,338 | 7 | 365 | .013689721 |
| B | 2,075,627,936 | 0.9111 | 2,278,156,005 | 6 | 124 | .008936502 |
| B | 2,040,881,921 | 0.8900 | 2,293,125,754 | 9 | 54 | .005628729 |
| C | 583,646,142 | 0.9345 | 624,554,459 | 32 | 20,634 | .091042823 |
| C | 586,316,086 | 0.9167 | 639,594,290 | 33 | 4,340 | .045049271 |
| C | 582,482,712 | 0.8462 | 688,351,113 | 17 | 1,212 | .158281868 |
| C | 581,854,114 | 0.9176 | 634,104,309 | 7 | 188 | .000942055 |
| D3 | 331,639,418 | 0.6504 | 509,900,704 | 10 | 1,262 | .361229474 |
| F1 | 6,264,053,723 | 0.7912 | 7,917,155,868 | 28 | 9,414 | .079678933 |
| F1 | 6,268,651,552 | 0.8899 | 7,044,220,196 | 19 | 1,443 | .015772465 |
| F1 | 6,323,663,949 | 0.8785 | 7,198,251,507 | 15 | 309 | .042011420 |
| F1 | 6,190,678,856 | 0.9225 | 6,710,762,988 | 16 | 58 | .022190907 |
| L1 | 2,096,527,486 | 1.0112 | 2,073,306,454 | 9 | 16,516 | .002297039 |
| L1 | 2,099,877,032 | 0.9714 | 2,161,701,701 | 10 | 1,914 | .006963136 |
| L1 | 2,104,293,408 | 0.9945 | 2,115,931,029 | 11 | 446 | .050560104 |
| L1 | 2,094,598,224 | 1.0569 | 1,981,831,984 | 6 | 81 | .015990072 |
| Random Totals: | 97,637,089,393 | 103,234,415,980 | 642 | 294,296 | ||
| Catg D1 Exception Values: | 2,808,201 | 2,716,614 | ||||
| Total Test Values (4): | 97,639,897,594 | 103,237,132,594 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 5,161,856,630 |
Confidence Interval Values (5)
| Local Test Value: | 97,639,897,594 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 98,075,275,964 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 108,398,989,224 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 96,222,302,871 | (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