taxes Property Tax Assistance

2024 Confidence Interval Detail

Dallas County
057-919/Sunnyvale ISD

Category Summary

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

Stratum
Variance
A 2 412,294,830 0.9780 421,569,356 13 837 0.000725018
A 3 396,946,700 0.9657 411,045,563 10 638 0.005790395
A 4 402,415,860 0.9636 417,617,123 21 555 0.003798187
A 5 543,850,030 1.0011 543,252,452 22 515 0.006403526
F1 2 82,530,580 0.9796 84,249,265 9 56 0.003348192
F1 3 92,179,700 0.8984 102,604,297 6 18 0.048376821
F1 4 52,369,550 1.2804 40,900,929 3 4 0.035971812
F1 5 151,132,170 1.1544 130,918,373 4 5 0.032200417
L1 2 67,048,610 1.0124 66,227,390 11 38 0.019759649
L1 3 53,354,100 1.0175 52,436,462 5 6 0.001653561
L1 5 122,725,100 1.0000 122,725,100 1 3 0.000000000
Random Totals: 2,376,847,230 2,393,546,310 105 2,675
CATG D1 EXCEPTION VALUES: 422,189 342,938
CATG L1 EXCEPTION VALUES: 41,917,800 37,789,480
Total Test Values 2,419,187,219 2,431,678,728

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 121,583,936

Confidence Interval Values(5)

Local Test Value: 2,419,187,219 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 2,310,094,792 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,553,262,664 (State Test Value plus Margin of Error Percent)

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, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values