2009 Confidence Interval Detail
114/Howard
114-902/Coahoma ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 16,858,821 | 0.9443 | 17,853,247 | 12 | 506 | .053330672 |
| A | 17,172,161 | 0.9778 | 17,562,038 | 11 | 274 | .003748606 |
| A | 16,455,512 | 0.9481 | 17,356,304 | 12 | 176 | .006377782 |
| A | 17,340,948 | 0.9418 | 18,412,559 | 14 | 103 | .011385588 |
| G1 | 53,917,395 | 0.9873 | 54,610,954 | 15 | 99 | .069393633 |
| G1 | 54,083,073 | 1.0673 | 50,672,794 | 13 | 31 | .038184332 |
| G1 | 60,340,840 | 1.0310 | 58,526,518 | 8 | 12 | .000776935 |
| Random Totals: | 236,168,750 | 234,994,414 | 85 | 1,201 | ||
| Catg J Exception Values: | 8,276,370 | 8,428,126 | ||||
| Catg D1 Exception Values: | 16,602,227 | 16,177,481 | ||||
| Catg G1 Exception Values: | 46,236,815 | 43,629,867 | ||||
| Total Test Values (4): | 307,284,162 | 303,229,888 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 15,161,494 |
Confidence Interval Values (5)
| State Lower Limit: | 288,068,394 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 307,284,162 | (Within Confidence Interval) |
| State Upper Limit: | 318,391,382 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 350,760,674 | (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