2011 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 | 2,223,570 | 0.9863 | 2,254,456 | 10 | 48 | .008985255 |
| A | 2,339,280 | 0.9312 | 2,512,113 | 10 | 28 | .006335126 |
| A | 2,514,870 | 0.9537 | 2,636,961 | 11 | 20 | .002071721 |
| A | 2,252,420 | 0.9509 | 2,368,724 | 6 | 10 | .001757986 |
| D3 | 4,954,950 | 1.0364 | 4,780,924 | 17 | 304 | .015774713 |
| G1 | 4,587,559 | 0.9810 | 4,676,411 | 4 | 8 | .000150373 |
| Random Totals: | 18,872,649 | 19,229,589 | 58 | 418 | ||
| Catg D1 Exception Values: | 3,083,975 | 2,866,224 | ||||
| Catg G1 Exception Values: | 4,426,330 | 4,379,197 | ||||
| Total Test Values (4): | 26,382,954 | 26,475,010 |
Margin of Error
| Margin of Error Percent: | 5.0000019 |
|---|---|
| Margin of Error Value: | 1,323,751 |
Confidence Interval Values (5)
| State Lower Limit: | 25,151,259 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 26,382,954 | (Within Confidence Interval) |
| State Upper Limit: | 27,798,761 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 26,064,172 | (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