2008 Confidence Interval Detail
166/Milam
014-902/Bartlett ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 5,874,207 | 0.9103 | 6,453,045 | 10 | 131 | .056810488 |
| D3 | 5,679,503 | 0.7579 | 7,493,737 | 10 | 364 | .035119009 |
| Random Totals: | 11,553,710 | 13,946,782 | 20 | 495 | ||
| Catg D1 Exception Values: | 1,216,860 | 1,115,916 | ||||
| Total Test Values (4): | 12,770,570 | 15,062,698 |
Margin of Error
| Margin of Error Percent: | 8.9303125 |
|---|---|
| Margin of Error Value: | 1,345,146 |
Confidence Interval Values (5)
| Local Test Value: | 12,770,570 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 13,717,552 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 16,407,844 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 12,143,968 | (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