2006 Confidence Interval Detail
125/Jim Wells
125-901/Alice ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 76,921,580 | 1.0054 | 76,508,434 | 8 | 2,384 | .039618418 |
| A | 76,839,411 | 0.9130 | 84,161,458 | 12 | 1,263 | .008796814 |
| A | 76,931,101 | 0.9654 | 79,688,317 | 29 | 732 | .006314606 |
| A | 76,810,059 | 0.9513 | 80,742,204 | 30 | 407 | .006046533 |
| D3 | 65,118,327 | 0.9736 | 66,884,066 | 10 | 4,709 | .020221166 |
| F1 | 22,208,060 | 0.9172 | 24,212,887 | 8 | 321 | .001581707 |
| F1 | 22,450,317 | 0.9589 | 23,412,574 | 7 | 110 | .003974807 |
| F1 | 22,048,145 | 0.9556 | 23,072,567 | 6 | 41 | .003016240 |
| F1 | 22,053,890 | 0.9485 | 23,251,334 | 5 | 9 | .001267717 |
| L1 | 15,610,376 | 1.0995 | 14,197,704 | 7 | 335 | .019378659 |
| L1 | 15,414,945 | 0.9982 | 15,442,742 | 7 | 79 | .001227987 |
| L1 | 15,975,444 | 1.0000 | 15,975,444 | 6 | 29 | .000886835 |
| L1 | 15,028,984 | 0.8958 | 16,777,165 | 3 | 4 | .014518844 |
| Random Totals: | 523,410,639 | 544,326,896 | 138 | 10,423 | ||
| Catg J Exception Values: | 22,697,070 | 22,997,941 | ||||
| Catg D1 Exception Values: | 16,816,089 | 19,040,906 | ||||
| Total Test Values (4): | 562,923,798 | 586,365,743 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 29,318,287 |
Confidence Interval Values (5)
| State Lower Limit: | 557,047,456 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 562,923,798 | (Within Confidence Interval) |
| State Upper Limit: | 615,684,030 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 833,520,509 | (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