2009 Confidence Interval Detail
101/Harris
101-913/Humble ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,051,867,153 | 0.9991 | 2,053,715,497 | 51 | 16,648 | .027967939 |
| A | 1,950,875,520 | 0.9624 | 2,027,094,264 | 55 | 11,733 | .009338607 |
| A | 1,942,150,238 | 0.9879 | 1,965,938,089 | 55 | 8,525 | .009938674 |
| A | 2,068,305,041 | 0.9923 | 2,084,354,571 | 54 | 5,108 | .014276655 |
| B | 94,394,167 | 0.9963 | 94,744,722 | 7 | 46 | .002518664 |
| B | 87,878,136 | 0.9696 | 90,633,391 | 5 | 9 | .009491419 |
| B | 156,525,333 | 0.9974 | 156,933,360 | 3 | 10 | .000062822 |
| B | 43,399,540 | 0.9720 | 44,649,733 | 3 | 2 | .007203234 |
| C | 52,447,319 | 1.0580 | 49,572,135 | 7 | 2,213 | .036522569 |
| C | 62,917,879 | 1.0503 | 59,904,674 | 7 | 1,449 | .064374734 |
| C | 50,317,746 | 0.8807 | 57,133,809 | 9 | 386 | .024175165 |
| C | 65,652,322 | 0.9220 | 71,206,423 | 6 | 68 | .009873148 |
| F1 | 308,921,022 | 0.8641 | 357,506,101 | 7 | 498 | .027773318 |
| F1 | 300,181,695 | 0.8639 | 347,472,734 | 7 | 155 | .042987783 |
| F1 | 305,326,309 | 0.9780 | 312,194,590 | 6 | 68 | .004706547 |
| F1 | 286,188,980 | 0.9726 | 294,251,470 | 5 | 21 | .009160953 |
| L1 | 107,840,796 | 0.9840 | 109,594,305 | 8 | 1,262 | .004886316 |
| L1 | 102,542,971 | 0.9723 | 105,464,333 | 8 | 204 | .005458324 |
| L1 | 88,605,427 | 0.9676 | 91,572,372 | 7 | 54 | .026089515 |
| L1 | 107,477,818 | 0.9468 | 113,516,918 | 6 | 23 | .006710448 |
| Random Totals: | 10,233,815,412 | 10,487,453,491 | 316 | 48,482 | ||
| Catg D1 Exception Values: | 12,311,786 | 12,235,916 | ||||
| Total Test Values (4): | 10,246,127,198 | 10,499,689,407 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 524,984,470 |
Confidence Interval Values (5)
| State Lower Limit: | 9,974,704,937 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 10,246,127,198 | (Within Confidence Interval) |
| State Upper Limit: | 11,024,673,877 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 9,990,590,644 | (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