2010 Confidence Interval Detail
057/Dallas
057-919/Sunnyvale ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 106,551,610 | 1.0092 | 105,580,272 | 11 | 514 | .007683308 |
| A | 108,355,580 | 0.9300 | 116,511,376 | 14 | 399 | .035705901 |
| A | 126,495,990 | 0.9333 | 135,536,258 | 17 | 369 | .024403229 |
| A | 103,683,350 | 0.9573 | 108,308,106 | 11 | 203 | .008700435 |
| C | 16,149,460 | 0.9838 | 16,415,389 | 11 | 237 | .016213265 |
| C | 10,990,680 | 0.9745 | 11,278,276 | 9 | 81 | .005841458 |
| C | 5,433,820 | 1.0520 | 5,165,228 | 6 | 18 | .007907946 |
| C | 14,634,940 | 1.0463 | 13,987,327 | 5 | 14 | .002910420 |
| F1 | 22,585,700 | 0.9685 | 23,320,289 | 11 | 44 | .059341114 |
| F1 | 21,871,450 | 0.9898 | 22,096,838 | 4 | 11 | .004038218 |
| L1 | 11,924,130 | 0.9990 | 11,936,066 | 7 | 24 | .003792823 |
| L1 | 12,835,170 | 0.9832 | 13,054,485 | 2 | 5 | .001487326 |
| Random Totals: | 561,511,880 | 583,189,910 | 108 | 1,919 | ||
| Catg J Exception Values: | 10,545,538 | 12,504,945 | ||||
| Catg D1 Exception Values: | 604,987 | 639,610 | ||||
| Catg F1 Exception Values: | 77,755,230 | 70,703,000 | ||||
| Catg L1 Exception Values: | 74,338,640 | 74,282,391 | ||||
| Total Test Values (4): | 724,756,275 | 741,319,856 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 37,065,993 |
Confidence Interval Values (5)
| State Lower Limit: | 704,253,863 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 724,756,275 | (Within Confidence Interval) |
| State Upper Limit: | 778,385,849 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 783,244,509 | (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