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 0.9183 662,883,014 74 1,722 0.017916354
A 1,629,777,964 0.9347 1,743,637,492 74 3,652 0.016675835
A 3,449,722,908 0.8932 3,862,206,570 74 6,285 0.018911514
A 8,107,533,686 0.9239 8,775,336,818 72 9,780 0.018005616
C1 78,532,114 1.0777 72,870,107 10 163 0.014549818
C1 96,355,591 0.8490 113,493,040 9 51 0.105055253
C1 77,573,244 0.6506 119,233,391 7 20 0.214587994
C1 131,849,514 0.7829 168,411,692 5 12 0.083402661
F1 282,545,228 0.9909 285,140,002 10 225 0.008647063
F1 244,106,804 1.0411 234,470,084 9 55 0.028312488
F1 243,033,567 0.9697 250,627,583 7 20 0.015847663
F1 280,176,786 0.6900 406,053,313 5 9 0.167897015
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 17,021,487,333 384 22,423
CATG D1 EXCEPTION VALUES: 1,603,425 1,277,371
Total Test Values 15,560,134,540 17,022,764,704

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 851,138,235

Confidence Interval Values(5)

Local Test Value: 15,560,134,540 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 16,171,626,469 (State Test Value minus Margin of Error Percent)
State Upper Limit: 17,873,902,939 (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