2009 Confidence Interval Detail
057/Dallas
057-906/DeSoto ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 501,767,210 | 1.0320 | 486,208,537 | 25 | 4,988 | .010443659 |
| A | 445,519,700 | 1.0766 | 413,821,011 | 25 | 3,508 | .025274555 |
| A | 406,945,430 | 1.0197 | 399,083,485 | 24 | 2,545 | .008129318 |
| A | 354,619,790 | 1.0634 | 333,477,327 | 25 | 1,451 | .015279143 |
| B | 26,646,510 | 1.0563 | 25,226,271 | 6 | 307 | .005123620 |
| B | 35,084,630 | 1.1954 | 29,349,699 | 9 | 241 | .041752210 |
| B | 38,537,820 | 0.9580 | 40,227,370 | 5 | 16 | .005939890 |
| B | 45,505,280 | 0.9905 | 45,941,726 | 2 | 4 | .002084620 |
| F1 | 59,049,320 | 0.9037 | 65,341,728 | 8 | 161 | .058752302 |
| F1 | 61,353,730 | 0.8852 | 69,310,585 | 6 | 43 | .007326394 |
| F1 | 42,560,840 | 0.8982 | 47,384,591 | 5 | 14 | .015126567 |
| F1 | 46,621,350 | 0.9406 | 49,565,543 | 3 | 6 | .004869830 |
| Random Totals: | 2,064,211,610 | 2,004,937,873 | 143 | 13,284 | ||
| Catg D1 Exception Values: | 227,873 | 211,587 | ||||
| Total Test Values (4): | 2,064,439,483 | 2,005,149,460 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 100,257,473 |
Confidence Interval Values (5)
| State Lower Limit: | 1,904,891,987 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,064,439,483 | (Within Confidence Interval) |
| State Upper Limit: | 2,105,406,933 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,202,748,634 | (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