taxes Property Tax Assistance

2016 Confidence Interval Detail

057/Dallas
057-916/Richardson ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 2,999,206,410 0.9614 3,119,623,892 51 18,467 .009397343
A 3,000,309,630 0.9570 3,135,119,781 47 11,970 .007381198
A 2,996,960,640 0.9732 3,079,490,999 57 8,865 .006284087
A 2,998,680,580 0.9741 3,078,411,436 53 5,791 .006366294
B 463,656,790 0.9498 488,162,550 31 666 .010635622
B 571,619,120 0.9221 619,910,118 5 63 .114917405
B 420,950,740 0.9663 435,631,522 7 22 .050776730
B 651,015,060 0.9447 689,123,595 4 16 .008505438
F1 1,117,943,640 0.9409 1,188,164,141 11 854 .046080127
F1 1,197,864,790 0.9186 1,304,011,311 9 262 .007822079
F1 1,174,607,850 0.8789 1,336,452,213 9 84 .019778693
F1 1,349,253,500 0.8958 1,506,199,486 8 27 .003080919
L1 406,114,990 1.0422 389,670,879 10 2,039 .007581805
L1 401,504,620 1.0306 389,583,369 10 290 .012673987
L1 433,126,560 0.9394 461,067,234 9 80 .014134991
L1 647,625,980 0.9512 680,851,535 6 19 .001041123
Random Totals: 20,830,440,900   21,901,474,061 327 49,515  
Catg J Exception Values: 117,591,941   127,537,217      
Catg D1 Exception Values: 7,186   8,194      
Total Test Values (4): 20,948,040,027   22,029,019,472      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,101,450,973

Confidence Interval Values (5)

State Lower Limit: 20,927,568,499 (State Test Value minus Margin of Error Percent)
Local Test Value: 20,948,040,027 (Within Confidence Interval)
State Upper Limit: 23,130,470,445 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 19,975,180,970 (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