2011 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 | 2,878,674 | 0.8617 | 3,340,692 | 10 | 83 | .056921679 |
| A | 2,985,281 | 1.0453 | 2,855,908 | 10 | 55 | .003387584 |
| A | 3,006,496 | 0.9085 | 3,309,297 | 10 | 39 | .023597297 |
| A | 3,253,200 | 1.0167 | 3,199,764 | 10 | 23 | .014819609 |
| D3 | 9,388,074 | 0.9565 | 9,815,028 | 16 | 765 | .042466482 |
| Random Totals: | 21,511,725 | 22,520,689 | 56 | 965 | ||
| Catg J Exception Values: | 2,409,897 | 3,138,052 | ||||
| Catg D1 Exception Values: | 10,185,773 | 9,797,187 | ||||
| Total Test Values (4): | 34,107,395 | 35,455,928 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,772,796 |
Confidence Interval Values (5)
| State Lower Limit: | 33,683,132 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 34,107,395 | (Within Confidence Interval) |
| State Upper Limit: | 37,228,724 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 33,661,883 | (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