taxes Property Tax Assistance

2020 Confidence Interval Detail

Collin County
043-914/Wylie ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,450,393,730 0.9710 1,493,711,359 96 6,298 0.003687761
A 1,459,134,477 0.9841 1,482,709,559 98 5,157 0.002792022
A 1,550,309,311 1.0005 1,549,534,544 99 4,476 0.002061089
A 1,618,955,535 0.9982 1,621,874,910 99 3,641 0.003238818
B 92,477,366 0.7363 125,597,401 10 92 0.005599878
B 198,087,895 0.8339 237,531,233 5 6 0.015498102
F1 196,309,337 0.9748 201,384,219 10 217 0.009094914
F1 138,065,944 0.9338 147,853,870 9 56 0.031274385
F1 173,876,606 0.9328 186,402,880 8 35 0.013027121
F1 112,618,221 0.9011 124,978,605 5 7 0.017102683
L1 66,799,380 1.0149 65,818,682 10 343 0.036740627
L1 70,677,010 1.0148 69,646,246 8 43 0.002167364
L1 48,629,650 1.0007 48,595,633 5 8 0.001671987
Random Totals: 7,176,334,462 7,355,639,141 462 20,379
CATG D1 EXCEPTION VALUES: 406,871 260,287
CATG L1 EXCEPTION VALUES: 80,828,637 94,121,083
Total Test Values 7,257,569,970 7,450,020,511

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 372,501,026

Confidence Interval Values(5)

Local Test Value: 7,257,569,970 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 7,077,519,485 (State Test Value minus Margin of Error Percent)
State Upper Limit: 7,822,521,537 (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