2006 Confidence Interval Detail
239/Washington
239-903/Burton ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 9,145,010 | 0.9593 | 9,533,003 | 7 | 269 | .015493188 |
| A | 9,133,311 | 0.8899 | 10,263,300 | 7 | 139 | .006823314 |
| A | 9,069,490 | 0.8666 | 10,465,601 | 9 | 92 | .028901225 |
| A | 9,093,610 | 0.9539 | 9,533,085 | 6 | 53 | .016023338 |
| D3 | 128,942,291 | 0.8291 | 155,520,795 | 24 | 2,722 | .149785559 |
| G1 | 22,936,582 | 1.0101 | 22,707,239 | 6 | 35 | .013168212 |
| G1 | 22,324,120 | 1.0336 | 21,598,413 | 5 | 18 | .005547897 |
| G1 | 21,765,650 | 1.0064 | 21,627,236 | 5 | 14 | .009322202 |
| G1 | 21,903,030 | 1.0053 | 21,787,556 | 4 | 10 | .009021291 |
| Random Totals: | 254,313,094 | 283,036,228 | 73 | 3,352 | ||
| Catg J Exception Values: | 5,859,287 | 6,557,888 | ||||
| Catg D1 Exception Values: | 7,427,634 | 7,004,588 | ||||
| Total Test Values (4): | 267,600,015 | 296,598,704 |
Margin of Error
| Margin of Error Percent: | 8.3189902 |
|---|---|
| Margin of Error Value: | 24,674,017 |
Confidence Interval Values (5)
| Local Test Value: | 267,600,015 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 271,924,687 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 321,272,721 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 279,882,872 | (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