2008 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 | 1,062,800 | 0.8350 | 1,272,814 | 16 | 34 | .016745299 |
| A | 2,587,050 | 0.9005 | 2,872,904 | 12 | 42 | .021198984 |
| A | 1,999,300 | 0.9177 | 2,178,599 | 9 | 20 | .028803990 |
| A | 3,138,550 | 0.9656 | 3,250,362 | 5 | 18 | .006352568 |
| D3 | 4,820,300 | 0.9589 | 5,026,906 | 20 | 292 | .018102373 |
| Random Totals: | 13,608,000 | 14,601,585 | 62 | 406 | ||
| Catg D1 Exception Values: | 3,096,615 | 2,893,561 | ||||
| Total Test Values (4): | 16,704,615 | 17,495,146 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 874,757 |
Confidence Interval Values (5)
| State Lower Limit: | 16,620,389 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 16,704,615 | (Within Confidence Interval) |
| State Upper Limit: | 18,369,903 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 19,229,535 | (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