2008 Confidence Interval Detail
008/Austin
008-903/Brazos ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 11,510,381 | 0.8133 | 14,152,688 | 9 | 241 | .312129814 |
| A | 11,026,294 | 0.9392 | 11,740,092 | 9 | 130 | .012934704 |
| A | 13,779,677 | 0.9922 | 13,888,003 | 10 | 119 | .006776452 |
| A | 9,698,475 | 0.9803 | 9,893,374 | 8 | 56 | .015196062 |
| D3 | 21,555,374 | 1.0854 | 19,859,383 | 20 | 767 | .138442250 |
| Random Totals: | 67,570,201 | 69,533,540 | 56 | 1,313 | ||
| Catg J Exception Values: | 8,598,167 | 8,935,401 | ||||
| Catg D1 Exception Values: | 3,048,885 | 3,076,956 | ||||
| Catg G1 Exception Values: | 4,860 | 4,997 | ||||
| Total Test Values (4): | 79,222,113 | 81,550,894 |
Margin of Error
| Margin of Error Percent: | 7.7001179 |
|---|---|
| Margin of Error Value: | 6,279,515 |
Confidence Interval Values (5)
| State Lower Limit: | 75,271,379 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 79,222,113 | (Within Confidence Interval) |
| State Upper Limit: | 87,830,409 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 87,053,098 | (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