2008 Confidence Interval Detail
093/Grimes
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 | 1,404,310 | 0.9747 | 1,440,761 | 7 | 51 | .008814440 |
| A | 1,429,410 | 1.0391 | 1,375,623 | 6 | 26 | .026860452 |
| A | 1,437,350 | 1.0018 | 1,434,767 | 5 | 16 | .004918289 |
| A | 4,036,180 | 1.0156 | 3,974,183 | 4 | 19 | .000933140 |
| D3 | 16,577,519 | 0.9738 | 17,023,536 | 21 | 660 | .011476545 |
| G1 | 55,358,548 | 0.9067 | 61,054,977 | 17 | 32 | .146475393 |
| Random Totals: | 80,243,317 | 86,303,847 | 60 | 804 | ||
| Catg J Exception Values: | 4,635,380 | 4,715,596 | ||||
| Catg D1 Exception Values: | 2,250,685 | 2,382,592 | ||||
| Total Test Values (4): | 87,129,382 | 93,402,035 |
Margin of Error
| Margin of Error Percent: | 8.3753925 |
|---|---|
| Margin of Error Value: | 7,822,787 |
Confidence Interval Values (5)
| State Lower Limit: | 85,579,248 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 87,129,382 | (Within Confidence Interval) |
| State Upper Limit: | 101,224,822 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 106,869,524 | (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