2011 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 | 1,070,937,281 | 0.9562 | 1,119,992,973 | 27 | 8,350 | .005927462 |
| A | 1,066,680,700 | 0.9539 | 1,118,231,156 | 35 | 6,005 | .005269833 |
| A | 1,131,937,406 | 0.9781 | 1,157,281,879 | 39 | 4,831 | .006996089 |
| A | 1,096,118,783 | 0.9721 | 1,127,578,215 | 22 | 2,639 | .009013342 |
| F1 | 124,964,090 | 0.9846 | 126,918,637 | 10 | 356 | .027104223 |
| F1 | 122,999,330 | 0.9412 | 130,683,521 | 10 | 115 | .036168883 |
| F1 | 139,268,850 | 1.0207 | 136,444,450 | 8 | 51 | .023909424 |
| F1 | 137,642,550 | 1.0300 | 133,633,544 | 6 | 17 | .005150240 |
| Random Totals: | 4,890,548,990 | 5,050,764,375 | 157 | 22,364 | ||
| Catg D1 Exception Values: | 344,165 | 509,688 | ||||
| Total Test Values (4): | 4,890,893,155 | 5,051,274,063 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 252,563,703 |
Confidence Interval Values (5)
| State Lower Limit: | 4,798,710,360 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 4,890,893,155 | (Within Confidence Interval) |
| State Upper Limit: | 5,303,837,766 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 5,092,436,079 | (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