2006 Confidence Interval Detail
156/Martin
156-905/Grady ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 9,857,980 | 0.8411 | 11,720,342 | 21 | 1,341 | .373759420 |
| G1 | 71,499,440 | 1.0098 | 70,805,546 | 7 | 165 | .002231505 |
| G1 | 71,657,740 | 1.1154 | 64,243,984 | 6 | 51 | .011226179 |
| G1 | 72,398,530 | 1.0136 | 71,427,121 | 5 | 18 | .001152485 |
| G1 | 70,122,264 | 1.0351 | 67,744,434 | 3 | 6 | .003310087 |
| Random Totals: | 295,535,954 | 285,941,427 | 42 | 1,581 | ||
| Catg D1 Exception Values: | 8,305,260 | 13,161,498 | ||||
| Total Test Values (4): | 303,841,214 | 299,102,925 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 14,955,146 |
Confidence Interval Values (5)
| State Lower Limit: | 284,147,779 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 303,841,214 | (Within Confidence Interval) |
| State Upper Limit: | 314,058,071 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 331,696,305 | (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