taxes Property Tax Assistance

2020 Confidence Interval Detail

Collin County
043-901/Allen ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 2,639,646,315 0.9820 2,688,030,871 149 10,075 0.003398778
A 2,491,782,947 0.9890 2,519,497,419 148 7,337 0.002838696
A 2,538,941,864 0.9968 2,547,092,560 149 5,782 0.002489752
A 2,650,135,497 0.9952 2,662,917,501 149 3,990 0.003658385
B 1,488,378,317 0.8640 1,722,660,089 11 40 0.015652759
F1 551,158,414 0.9897 556,894,427 10 291 0.016627781
F1 689,127,818 0.8345 825,797,265 10 118 0.047784463
F1 717,036,278 0.8816 813,335,161 9 37 0.062689641
F1 685,110,149 0.9717 705,063,444 3 8 0.000107827
L1 237,108,934 1.0590 223,898,899 10 670 0.017261318
L1 263,266,024 1.0126 259,990,148 9 60 0.000446376
L1 251,224,981 0.9896 253,865,179 6 10 0.014747234
Random Totals: 15,202,917,538 15,779,042,963 663 28,418
CATG D1 EXCEPTION VALUES: 227,708 199,876
CATG L1 EXCEPTION VALUES: 111,544,301 103,153,649
Total Test Values 15,314,689,547 15,882,396,488

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 794,119,824

Confidence Interval Values(5)

Local Test Value: 15,314,689,547 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 15,088,276,664 (State Test Value minus Margin of Error Percent)
State Upper Limit: 16,676,516,312 (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