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091/Grayson
2016 Confidence Interval Detail
091/Grayson
091-905/Howe ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 27,827,124 | 0.8802 | 31,614,547 | 11 | 390 | .022857944 |
| A | 32,152,690 | 0.9292 | 34,602,551 | 10 | 285 | .031444196 |
| A | 45,268,217 | 1.0371 | 43,648,845 | 11 | 272 | .023145839 |
| A | 63,465,999 | 0.9641 | 65,829,270 | 15 | 246 | .004491297 |
| E | 49,560,161 | 1.0279 | 48,214,964 | 14 | 361 | .026004413 |
| F1 | 3,052,339 | 0.8547 | 3,571,240 | 8 | 33 | .022329364 |
| F1 | 2,807,369 | 0.8202 | 3,422,786 | 6 | 12 | .124105976 |
| F1 | 2,756,600 | 0.8798 | 3,133,212 | 6 | 6 | .045260219 |
| Random Totals: | 226,890,499 | 234,037,415 | 81 | 1,605 | ||
| Catg J Exception Values: | 12,377,029 | 12,919,863 | ||||
| Catg D1 Exception Values: | 5,574,489 | 4,851,711 | ||||
| Catg F1 Exception Values: | 3,625,323 | 4,067,940 | ||||
| Total Test Values (4): | 248,467,340 | 255,876,929 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 12,793,846 |
Confidence Interval Values (5)
| State Lower Limit: | 243,083,083 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 248,467,340 | (Within Confidence Interval) |
| State Upper Limit: | 268,670,775 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 228,486,660 | (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