2007 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 | 490,243,504 | 0.9861 | 497,153,944 | 22 | 4,463 | .002078748 |
| A | 490,148,464 | 1.0016 | 489,365,479 | 20 | 3,588 | .001922699 |
| A | 490,338,554 | 1.0008 | 489,946,597 | 24 | 2,795 | .001076538 |
| A | 490,025,301 | 0.9949 | 492,537,241 | 22 | 1,799 | .004962212 |
| B | 31,878,286 | 1.0617 | 30,025,700 | 7 | 372 | .003695387 |
| B | 31,778,024 | 0.9167 | 34,665,675 | 9 | 208 | .021660582 |
| B | 38,002,683 | 0.7268 | 52,287,676 | 5 | 18 | .010434408 |
| F1 | 51,166,466 | 0.8533 | 59,963,045 | 7 | 149 | .009711203 |
| F1 | 51,682,465 | 0.9013 | 57,342,134 | 7 | 43 | .016620013 |
| F1 | 48,943,726 | 0.8021 | 61,019,481 | 5 | 17 | .036122753 |
| F1 | 50,227,751 | 0.9834 | 51,075,606 | 3 | 6 | .001135672 |
| Random Totals: | 2,264,435,224 | 2,315,382,578 | 131 | 13,458 | ||
| Catg D1 Exception Values: | 227,938 | 220,143 | ||||
| Catg B Exception Values: | 25,719,520 | 28,416,000 | ||||
| Total Test Values (4): | 2,290,382,682 | 2,344,018,721 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 117,200,936 |
Confidence Interval Values (5)
| State Lower Limit: | 2,226,817,785 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,290,382,682 | (Within Confidence Interval) |
| State Upper Limit: | 2,461,219,657 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,357,468,357 | (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