2010 Confidence Interval Detail
227/Travis
227-912/Lago Vista ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 298,727,340 | 0.9832 | 303,831,713 | 38 | 1,907 | .006495943 |
| A | 261,505,873 | 0.9474 | 276,024,776 | 33 | 1,058 | .004426085 |
| A | 254,535,149 | 0.9873 | 257,809,327 | 17 | 608 | .002048811 |
| A | 286,825,588 | 0.9786 | 293,097,883 | 15 | 279 | .002191118 |
| C | 56,604,863 | 0.8875 | 63,780,127 | 11 | 3,869 | .026208478 |
| C | 54,111,195 | 0.9177 | 58,963,926 | 13 | 1,233 | .013668159 |
| C | 55,090,475 | 0.9514 | 57,904,641 | 10 | 340 | .009075808 |
| C | 46,887,714 | 0.9939 | 47,175,484 | 9 | 101 | .000184793 |
| Random Totals: | 1,314,288,197 | 1,358,587,877 | 146 | 9,395 | ||
| Catg J Exception Values: | 6,193,234 | 6,784,875 | ||||
| Catg D1 Exception Values: | 233,779 | 136,397 | ||||
| Total Test Values (4): | 1,320,715,210 | 1,365,509,149 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 68,275,457 |
Confidence Interval Values (5)
| State Lower Limit: | 1,297,233,692 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,320,715,210 | (Within Confidence Interval) |
| State Upper Limit: | 1,433,784,606 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,411,602,331 | (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