2008 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 | 159,407,866 | 0.9727 | 163,881,840 | 8 | 3,768 | .063192855 |
| A | 170,595,324 | 1.0203 | 167,201,141 | 12 | 2,235 | .033689321 |
| A | 187,013,883 | 0.8235 | 227,096,397 | 11 | 1,583 | .216146023 |
| A | 205,481,393 | 0.9321 | 220,449,944 | 9 | 885 | .009732646 |
| D3 | 74,325,622 | 0.9624 | 77,229,449 | 11 | 2,213 | .014704241 |
| F1 | 47,559,083 | 1.0017 | 47,478,370 | 12 | 452 | .084806061 |
| F1 | 46,321,331 | 0.8340 | 55,541,164 | 7 | 115 | .022321622 |
| F1 | 46,883,046 | 0.9456 | 49,580,209 | 6 | 34 | .022946592 |
| F1 | 66,370,292 | 0.7980 | 83,170,792 | 4 | 10 | .308256822 |
| L1 | 36,541,532 | 1.0879 | 33,589,054 | 6 | 344 | .033883626 |
| L1 | 42,876,809 | 1.0456 | 41,006,895 | 8 | 42 | .007091264 |
| L1 | 56,707,887 | 1.0205 | 55,568,728 | 2 | 5 | .000040482 |
| Random Totals: | 1,140,084,068 | 1,221,793,983 | 96 | 11,686 | ||
| Catg D1 Exception Values: | 4,008,383 | 2,545,215 | ||||
| Total Test Values (4): | 1,144,092,451 | 1,224,339,198 |
Margin of Error
| Margin of Error Percent: | 6.7156097 |
|---|---|
| Margin of Error Value: | 82,221,842 |
Confidence Interval Values (5)
| State Lower Limit: | 1,142,117,356 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,144,092,451 | (Within Confidence Interval) |
| State Upper Limit: | 1,306,561,040 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,166,937,027 | (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