2008 Confidence Interval Detail
229/Tyler
229-906/Chester ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,482,145 | 0.9209 | 1,609,453 | 10 | 61 | .086378647 |
| A | 2,373,915 | 0.9332 | 2,543,844 | 14 | 61 | .077717452 |
| A | 3,460,530 | 0.8344 | 4,147,327 | 22 | 58 | .041010312 |
| A | 3,514,135 | 1.0199 | 3,445,568 | 22 | 30 | .062481518 |
| D3 | 8,142,778 | 0.8607 | 9,460,646 | 24 | 787 | .010090887 |
| Random Totals: | 18,973,503 | 21,206,838 | 92 | 997 | ||
| Catg J Exception Values: | 2,351,347 | 1,668,966 | ||||
| Catg D1 Exception Values: | 10,505,300 | 10,445,500 | ||||
| Total Test Values (4): | 31,830,150 | 33,321,304 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,666,065 |
Confidence Interval Values (5)
| State Lower Limit: | 31,655,239 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 31,830,150 | (Within Confidence Interval) |
| State Upper Limit: | 34,987,369 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 46,294,772 | (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