taxes Property Tax Assistance

2024 Confidence Interval Detail

Collin County
043-903/Celina ISD

Category Summary

(1)
Category
(1)
Stratum
Number
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 2 733,069,336 1.0022 731,460,124 74 1,741 0.002979169
A 3 914,528,439 0.9941 919,956,180 74 1,771 0.004934583
A 4 1,086,462,582 0.9708 1,119,141,514 74 1,710 0.002829021
A 5 1,026,935,319 0.9593 1,070,504,867 45 960 0.006800172
E 0 617,841,839 0.9942 621,446,227 12 894 0.015844482
Random Totals: 4,378,837,515 4,462,508,912 279 7,076
CATG D1 EXCEPTION VALUES: 4,982,429 3,662,702
Total Test Values 4,383,819,944 4,466,171,614

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 223,308,581

Confidence Interval Values(5)

Local Test Value: 4,383,819,944 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 4,242,863,033 (State Test Value minus Margin of Error Percent)
State Upper Limit: 4,689,480,195 (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