2009 Confidence Interval Detail
028/Caldwell
028-906/Prairie Lea ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,573,110 | 0.9373 | 3,812,131 | 10 | 87 | .018382350 |
| A | 3,890,520 | 0.9261 | 4,200,972 | 7 | 56 | .005368942 |
| A | 3,903,492 | 1.0079 | 3,872,896 | 8 | 38 | .023891175 |
| A | 4,014,250 | 0.9838 | 4,080,352 | 6 | 23 | .000620049 |
| D3 | 20,367,620 | 0.9752 | 20,885,582 | 15 | 775 | .015277350 |
| G1 | 4,825,630 | 0.9800 | 4,924,112 | 5 | 17 | .008366622 |
| G1 | 5,240,363 | 1.0873 | 4,819,611 | 3 | 6 | .001475833 |
| G1 | 4,432,660 | 1.0112 | 4,383,564 | 2 | 3 | .000649297 |
| Random Totals: | 50,247,645 | 50,979,220 | 56 | 1,005 | ||
| Catg J Exception Values: | 1,248,395 | 1,166,196 | ||||
| Catg D1 Exception Values: | 1,406,014 | 1,391,549 | ||||
| Catg G1 Exception Values: | 4,653,013 | 4,537,634 | ||||
| Total Test Values (4): | 57,555,067 | 58,074,599 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 2,903,730 |
Confidence Interval Values (5)
| State Lower Limit: | 55,170,869 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 57,555,067 | (Within Confidence Interval) |
| State Upper Limit: | 60,978,329 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 65,647,333 | (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