taxes Property Tax Assistance

2018 Confidence Interval Detail

057/Dallas
057-913/Lancaster ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 393,522,000 0.9453 416,293,240 50 3353 0.020705254
A 393,583,790 0.9479 415,216,573 50 2618 0.008554983
A 393,405,180 0.9575 410,867,029 50 2280 0.006954864
A 393,276,000 0.9884 397,891,542 50 1841 0.004933218
F1 130,659,350 0.8263 158,125,802 9 162 0.034780019
F1 127,232,070 0.9275 137,177,434 8 25 0.014544551
F1 164,853,620 0.9932 165,982,300 5 10 0.004601679
F1 175,230,060 1.0178 172,165,514 2 5 0.002348140
L1 93,085,410 1.0184 91,403,584 10 140 0.017067944
L1 76,400,420 0.9964 76,676,455 6 13 0.000158622
L1 136,344,340 1.0014 136,153,725 3 6 0.000007630
Random Totals: 2,477,592,240 2,577,953,198 243 10,453
CATG D1 EXCEPTION VALUES: 1,142,123 950,529
CATG J EXCEPTION VALUES: 90,386,739 95,520,059
CATG L1 EXCEPTION VALUES: 105,242,180 105,253,992
Total Test Values(3) 2,674,363,282 2,779,677,778

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 138,983,889

Confidence Interval Values(5)

Local Test Value: 2,674,363,282 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 2,640,693,889 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,918,661,667 (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