2011 Confidence Interval Detail
198/Robertson
198-906/Mumford ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 3,586,110 | 0.9403 | 3,813,793 | 14 | 227 | .119473347 |
| G1 | 17,273,029 | 1.0408 | 16,595,916 | 9 | 22 | .016490480 |
| G1 | 17,989,059 | 0.9901 | 18,168,931 | 5 | 11 | .000762889 |
| G1 | 20,619,603 | 1.0022 | 20,574,339 | 4 | 7 | .001270315 |
| Random Totals: | 59,467,801 | 59,152,979 | 32 | 267 | ||
| Catg J Exception Values: | 6,369,543 | 6,466,158 | ||||
| Catg D1 Exception Values: | 4,976,410 | 5,321,732 | ||||
| Catg G1 Exception Values: | 12,491,180 | 12,200,772 | ||||
| Total Test Values (4): | 83,304,934 | 83,141,641 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 4,157,082 |
Confidence Interval Values (5)
| State Lower Limit: | 78,984,559 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 83,304,934 | (Within Confidence Interval) |
| State Upper Limit: | 87,298,723 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 89,641,511 | (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