2011 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 | 2,083,256,204 | 0.9543 | 2,183,020,228 | 30 | 17,549 | .004040967 |
| A | 2,016,084,242 | 0.9485 | 2,125,550,071 | 42 | 12,246 | .007314876 |
| A | 2,039,428,451 | 0.9700 | 2,102,503,558 | 39 | 9,049 | .006829612 |
| A | 2,056,073,182 | 0.9341 | 2,201,127,483 | 46 | 5,128 | .011840253 |
| B | 109,965,861 | 0.9129 | 120,457,729 | 9 | 35 | .009387294 |
| B | 113,643,958 | 0.9526 | 119,298,717 | 7 | 9 | .003732957 |
| B | 81,343,001 | 1.0052 | 80,922,206 | 4 | 5 | .002877732 |
| F1 | 288,582,574 | 0.9678 | 298,184,102 | 10 | 514 | .004102755 |
| F1 | 289,885,765 | 0.9691 | 299,128,846 | 9 | 178 | .004618761 |
| F1 | 275,401,062 | 0.9435 | 291,893,017 | 9 | 76 | .004957347 |
| F1 | 326,842,554 | 0.9873 | 331,046,849 | 7 | 31 | .002487133 |
| L1 | 93,262,483 | 0.9713 | 96,018,205 | 10 | 1,076 | .004293967 |
| L1 | 100,583,823 | 0.9761 | 103,046,638 | 11 | 205 | .002797034 |
| L1 | 100,130,875 | 0.9716 | 103,057,714 | 10 | 59 | .005463777 |
| L1 | 99,165,528 | 0.9736 | 101,854,486 | 7 | 19 | .002306039 |
| Random Totals: | 10,073,649,563 | 10,557,109,849 | 250 | 46,179 | ||
| Catg D1 Exception Values: | 10,996,386 | 11,004,769 | ||||
| Catg B Exception Values: | 102,691,044 | 101,463,470 | ||||
| Total Test Values (4): | 10,187,336,993 | 10,669,578,088 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 533,478,904 |
Confidence Interval Values (5)
| State Lower Limit: | 10,136,099,184 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 10,187,336,993 | (Within Confidence Interval) |
| State Upper Limit: | 11,203,056,992 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 9,957,013,864 | (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