2006 Confidence Interval Detail
170/Montgomery
093-905/Richards ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,642,110 | 0.8457 | 1,941,717 | 10 | 49 | .036482491 |
| A | 1,591,015 | 0.9577 | 1,661,287 | 9 | 25 | .064018548 |
| A | 1,726,958 | 0.9574 | 1,803,800 | 8 | 17 | .019305601 |
| A | 1,458,314 | 1.1190 | 1,303,230 | 6 | 7 | .008515382 |
| D3 | 2,674,370 | 0.9441 | 2,832,719 | 16 | 289 | .011514972 |
| Random Totals: | 9,092,767 | 9,542,753 | 49 | 387 | ||
| Catg D1 Exception Values: | 3,038,830 | 2,845,190 | ||||
| Total Test Values (4): | 12,131,597 | 12,387,943 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 619,397 |
Confidence Interval Values (5)
| State Lower Limit: | 11,768,546 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 12,131,597 | (Within Confidence Interval) |
| State Upper Limit: | 13,007,340 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 11,780,179 | (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