2009 Confidence Interval Detail
091/Grayson
091-903/Denison ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 180,428,105 | 0.9837 | 183,417,815 | 35 | 3,940 | .009572790 |
| A | 184,552,796 | 1.0185 | 181,200,585 | 45 | 2,227 | .009146302 |
| A | 195,665,056 | 1.0016 | 195,352,492 | 37 | 1,528 | .002398882 |
| A | 196,217,121 | 0.9746 | 201,330,927 | 21 | 776 | .005727582 |
| D3 | 92,414,290 | 0.8735 | 105,797,699 | 17 | 2,175 | .050386192 |
| F1 | 51,823,845 | 0.9429 | 54,962,186 | 17 | 467 | .015595185 |
| F1 | 52,841,329 | 0.8678 | 60,891,137 | 15 | 111 | .027645163 |
| F1 | 58,744,843 | 0.8953 | 65,614,702 | 15 | 29 | .018798993 |
| F1 | 95,603,595 | 0.9092 | 105,151,336 | 4 | 8 | .003061156 |
| L1 | 27,042,793 | 1.0548 | 25,637,839 | 15 | 345 | .014958198 |
| L1 | 25,883,721 | 1.0267 | 25,210,598 | 16 | 64 | .034889455 |
| L1 | 16,959,341 | 1.0848 | 15,633,611 | 7 | 9 | .010329994 |
| Random Totals: | 1,178,176,835 | 1,220,200,927 | 244 | 11,679 | ||
| Catg D1 Exception Values: | 3,592,115 | 2,459,288 | ||||
| Catg L1 Exception Values: | 22,218,622 | 21,760,344 | ||||
| Total Test Values (4): | 1,203,987,572 | 1,244,420,559 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 62,221,028 |
Confidence Interval Values (5)
| State Lower Limit: | 1,182,199,531 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,203,987,572 | (Within Confidence Interval) |
| State Upper Limit: | 1,306,641,587 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,275,076,382 | (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