taxes Property Tax Assistance

2022 Confidence Interval Detail

Collin County
043-912/Prosper ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 608,725,472 0.9280 655,954,172 74 1,722 0.011701394
A 1,629,777,964 0.9403 1,733,253,179 74 3,652 0.007947335
A 3,449,722,908 0.9147 3,771,425,503 74 6,285 0.007995501
A 8,107,533,686 0.9357 8,664,672,102 72 9,780 0.009981505
C1 78,532,114 1.0777 72,870,107 10 163 0.014549818
C1 96,355,591 0.9698 99,356,147 9 51 0.042072209
C1 77,573,244 0.6612 117,321,906 7 20 0.202412237
C1 131,849,514 0.8074 163,301,355 5 12 0.061658841
F1 282,545,228 1.0095 279,886,308 10 225 0.005771588
F1 244,106,804 1.0691 228,329,253 9 55 0.021588979
F1 243,033,567 1.0110 240,389,285 7 20 0.003720553
F1 280,176,786 0.9716 288,366,392 5 9 0.034670270
L1 88,751,767 1.0286 86,284,043 13 383 0.005862539
L1 65,638,033 1.0574 62,074,932 7 27 0.009237725
L1 107,072,011 0.9570 111,882,979 5 15 0.002856192
L1 67,136,426 1.0038 66,882,273 3 4 0.000011777
Random Totals: 15,558,531,115 16,642,249,936 384 22,423
CATG D1 EXCEPTION VALUES: 1,603,425 1,277,373
Total Test Values 15,560,134,540 16,643,527,309

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 832,176,365

Confidence Interval Values(5)

Local Test Value: 15,560,134,540 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 15,811,350,944 (State Test Value minus Margin of Error Percent)
State Upper Limit: 17,475,703,674 (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