2009 Confidence Interval Detail
233/Val Verde
233-903/Comstock CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,312,410 | 0.9415 | 3,518,226 | 7 | 164 | .000681263 |
| A | 3,745,680 | 0.9427 | 3,973,353 | 6 | 83 | .000620441 |
| A | 3,774,977 | 0.9474 | 3,984,565 | 6 | 46 | .001127723 |
| A | 5,163,810 | 0.9709 | 5,318,581 | 5 | 34 | .000920981 |
| D3 | 24,172,464 | 0.9516 | 25,401,917 | 9 | 4,290 | .004328777 |
| G1 | 23,509,445 | 1.0033 | 23,432,119 | 6 | 57 | .106723101 |
| G1 | 22,865,357 | 1.0142 | 22,545,215 | 5 | 18 | .011783907 |
| G1 | 24,149,033 | 0.9911 | 24,365,889 | 4 | 11 | .006847854 |
| G1 | 21,225,954 | 1.1659 | 18,205,639 | 3 | 5 | .070480561 |
| Random Totals: | 131,919,130 | 130,745,504 | 51 | 4,708 | ||
| Catg J Exception Values: | 19,936,759 | 20,953,658 | ||||
| Catg D1 Exception Values: | 17,182,962 | 21,024,323 | ||||
| Total Test Values (4): | 169,038,851 | 172,723,485 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,636,174 |
Confidence Interval Values (5)
| State Lower Limit: | 164,087,311 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 169,038,851 | (Within Confidence Interval) |
| State Upper Limit: | 181,359,659 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 190,589,601 | (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