2007 Confidence Interval Detail
057/Dallas
057-903/Carrollton-Farmers Branch
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,289,793,920 | 0.9860 | 1,308,107,424 | 42 | 10,382 | .012466490 |
| A | 1,289,696,117 | 0.9878 | 1,305,624,739 | 54 | 8,165 | .003719770 |
| A | 1,289,516,353 | 0.9828 | 1,312,084,201 | 53 | 6,121 | .004307308 |
| A | 1,289,464,234 | 0.9829 | 1,311,897,684 | 51 | 3,791 | .002054219 |
| B | 496,573,436 | 0.9411 | 527,652,147 | 7 | 70 | .008124874 |
| B | 495,130,899 | 0.9489 | 521,794,603 | 6 | 37 | .013116351 |
| B | 499,599,565 | 0.9952 | 502,009,209 | 5 | 24 | .003425805 |
| B | 489,765,338 | 0.9724 | 503,666,534 | 5 | 15 | .001283407 |
| C | 97,945,515 | 1.0224 | 95,799,604 | 7 | 531 | .006794870 |
| C | 97,707,835 | 0.9452 | 103,372,657 | 7 | 98 | .076420021 |
| C | 99,434,588 | 0.9517 | 104,481,021 | 6 | 45 | .019305900 |
| C | 95,431,596 | 1.0115 | 94,346,610 | 5 | 16 | .006100374 |
| F1 | 1,093,933,586 | 0.8889 | 1,230,659,901 | 7 | 696 | .044340783 |
| F1 | 1,099,895,158 | 0.9573 | 1,148,955,560 | 7 | 242 | .004105061 |
| F1 | 1,095,348,021 | 0.9421 | 1,162,666,406 | 7 | 98 | .007906535 |
| F1 | 1,086,549,870 | 0.8447 | 1,286,314,514 | 6 | 36 | .031955156 |
| L1 | 522,545,235 | 1.1018 | 474,265,053 | 7 | 1,218 | .015825836 |
| L1 | 525,672,101 | 1.1722 | 448,449,156 | 7 | 192 | .053470800 |
| L1 | 525,119,393 | 1.0236 | 513,012,303 | 6 | 62 | .062786350 |
| L1 | 514,949,795 | 1.0091 | 510,306,010 | 6 | 14 | .001548967 |
| Random Totals: | 13,994,072,555 | 14,465,465,336 | 301 | 31,853 | ||
| Catg D1 Exception Values: | 7,993 | 5,703 | ||||
| Total Test Values (4): | 13,994,080,548 | 14,465,471,039 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 723,273,552 |
Confidence Interval Values (5)
| State Lower Limit: | 13,742,197,487 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 13,994,080,548 | (Within Confidence Interval) |
| State Upper Limit: | 15,188,744,591 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 13,935,492,841 | (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