2007 Confidence Interval Detail
112/Hopkins
112-909/Saltillo ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,949,189 | 1.0424 | 1,869,905 | 6 | 55 | .003149247 |
| A | 1,925,655 | 0.9720 | 1,981,127 | 6 | 33 | .007626580 |
| A | 1,925,256 | 0.9477 | 2,031,504 | 5 | 21 | .006141259 |
| A | 1,818,405 | 0.9417 | 1,930,981 | 5 | 13 | .012694893 |
| D3 | 25,848,680 | 0.8379 | 30,849,361 | 20 | 1,093 | .105359283 |
| Random Totals: | 33,467,185 | 38,662,878 | 42 | 1,215 | ||
| Catg J Exception Values: | 2,003,060 | 1,839,756 | ||||
| Catg D1 Exception Values: | 3,650,240 | 3,283,724 | ||||
| Total Test Values (4): | 39,120,485 | 43,786,358 |
Margin of Error
| Margin of Error Percent: | 10.2767213 |
|---|---|
| Margin of Error Value: | 4,499,802 |
Confidence Interval Values (5)
| Local Test Value: | 39,120,485 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 39,286,556 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 48,286,160 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 39,659,157 | (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