taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
043/Collin
043-903/Celina ISD

Category Summary

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

Stratum
Variance
A 85,346,567 0.9349 91,289,514 43 673 .011626354
A 109,776,196 0.9311 117,899,469 60 588 .021745743
A 104,187,310 0.9547 109,130,942 37 381 .004562410
A 118,434,349 0.9522 124,379,699 21 273 .005013431
E 182,869,543 0.9752 187,520,040 25 888 .006904764
F1 8,869,373 0.9759 9,088,404 10 39 .003365210
F1 9,578,683 0.9516 10,065,871 6 12 .004818412
Random Totals: 619,062,021   649,373,939 202 2,854  
Catg D1 Exception Values: 6,494,351   5,423,394      
Catg F1 Exception Values: 19,812,163   20,664,067      
Total Test Values (4): 645,368,535   675,461,400      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 33,773,070

Confidence Interval Values (5)

State Lower Limit: 641,688,330 (State Test Value minus Margin of Error Percent)
Local Test Value: 645,368,535 (Within Confidence Interval)
State Upper Limit: 709,234,470 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 737,026,737 (See ISD Summary Worksheet)

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, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories