2008 Confidence Interval Detail
050/Coryell
050-904/Oglesby ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,846,800 | 0.9950 | 3,866,131 | 8 | 106 | .036028950 |
| A | 4,504,200 | 0.9668 | 4,658,875 | 6 | 79 | .004614460 |
| A | 4,561,920 | 0.9630 | 4,737,196 | 7 | 49 | .004344808 |
| A | 4,622,380 | 0.9822 | 4,706,149 | 6 | 28 | .003235994 |
| D3 | 12,547,430 | 1.0153 | 12,358,347 | 23 | 756 | .028017971 |
| L1 | 2,647,680 | 0.9864 | 2,684,185 | 15 | 38 | .010982412 |
| Random Totals: | 32,730,410 | 33,010,883 | 65 | 1,056 | ||
| Catg J Exception Values: | 1,416,101 | 1,468,337 | ||||
| Catg D1 Exception Values: | 4,222,692 | 3,985,793 | ||||
| Total Test Values (4): | 38,369,203 | 38,465,013 |
Margin of Error
| Margin of Error Percent: | 5.0000009 |
|---|---|
| Margin of Error Value: | 1,923,251 |
Confidence Interval Values (5)
| State Lower Limit: | 36,541,762 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 38,369,203 | (Within Confidence Interval) |
| State Upper Limit: | 40,388,264 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 32,444,136 | (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