2007 Confidence Interval Detail
084/Galveston
084-910/Clear Creek ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,416,812,710 | 0.9975 | 2,422,869,885 | 33 | 19,621 | .003494821 |
| A | 2,417,354,268 | 1.0013 | 2,414,215,787 | 35 | 14,542 | .001228501 |
| A | 2,415,620,728 | 0.9953 | 2,427,027,758 | 33 | 10,904 | .005405112 |
| A | 2,415,920,493 | 1.0021 | 2,410,857,692 | 32 | 6,114 | .003081222 |
| B | 165,449,186 | 0.9008 | 183,669,167 | 7 | 41 | .002815502 |
| B | 158,341,203 | 0.9365 | 169,077,633 | 6 | 20 | .001937746 |
| B | 164,734,456 | 0.9932 | 165,862,320 | 5 | 14 | .026441507 |
| B | 150,715,819 | 0.9619 | 156,685,538 | 5 | 8 | .000660047 |
| F1 | 476,390,699 | 0.9798 | 486,212,185 | 11 | 797 | .020569944 |
| F1 | 476,567,013 | 0.9376 | 508,283,930 | 9 | 220 | .009948525 |
| F1 | 477,627,250 | 0.9342 | 511,268,733 | 9 | 76 | .025675129 |
| F1 | 471,332,126 | 1.0237 | 460,420,168 | 7 | 20 | .024911182 |
| L1 | 148,108,748 | 1.0091 | 146,773,113 | 7 | 1,734 | .004551576 |
| L1 | 148,392,404 | 0.9897 | 149,936,753 | 7 | 299 | .004628638 |
| L1 | 148,268,086 | 1.0250 | 144,651,791 | 7 | 71 | .023689951 |
| L1 | 146,812,343 | 1.0605 | 138,436,910 | 6 | 14 | .007653160 |
| Random Totals: | 12,798,447,532 | 12,896,249,363 | 219 | 54,495 | ||
| Catg D1 Exception Values: | 735,489 | 725,729 | ||||
| Total Test Values (4): | 12,799,183,021 | 12,896,975,092 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 644,848,755 |
Confidence Interval Values (5)
| State Lower Limit: | 12,252,126,337 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 12,799,183,021 | (Within Confidence Interval) |
| State Upper Limit: | 13,541,823,847 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 13,831,443,953 | (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