taxes Property Tax Assistance

2023 Confidence Interval Detail

Dallas County
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 165,379,630 0.9562 172,955,062 8 417 0.025376459
A 201,914,980 0.9638 209,498,838 17 412 0.035531771
A 365,703,430 0.9901 369,360,095 26 616 0.002991764
A 909,868,130 1.0129 898,280,314 47 1,115 0.007851878
F1 71,114,900 0.9873 72,029,677 10 59 0.032838893
F1 77,798,350 0.9705 80,163,163 6 18 0.013677911
F1 65,481,230 1.0911 60,013,958 4 5 0.051461461
F1 46,370,850 1.1399 40,680,064 2 4 0.015117164
L1 31,755,280 1.0414 30,492,875 10 48 0.017397621
L1 32,494,150 0.9967 32,601,736 5 10 0.000066140
L1 41,032,470 1.0865 37,764,883 2 9 0.010629265
Random Totals: 2,008,913,400 2,003,840,665 137 2,713
CATG D1 EXCEPTION VALUES: 412,180 354,037
CATG L1 EXCEPTION VALUES: 126,999,310 126,999,311
Total Test Values 2,136,324,890 2,131,194,013

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 106,559,701

Confidence Interval Values(5)

Local Test Value: 2,136,324,890 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 2,024,634,312 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,237,753,714 (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