taxes Property Tax Assistance

2018 Confidence Interval Detail

043/Collin
043-902/Anna ISD

Category Summary

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

Stratum
Variance
A 90,876,824 0.9263 98,107,335 19 576 .005538494
A 174,293,561 0.9402 185,379,240 48 945 .002029801
A 358,444,338 0.9676 370,446,815 75 1,708 .010439548
A 385,654,629 0.9783 394,208,964 75 1,371 .009958318
E 160,975,263 0.9461 170,146,140 16 726 .008499401
F1 18,587,906 0.7257 25,613,761 8 37 .420433115
F1 21,124,812 0.9939 21,254,464 6 12 .052790515
F1 23,342,577 1.0107 23,095,456 3 7 .001613039
Random Totals: 1,233,299,910   1,288,252,175 250 5,382  
Catg D1 Exception Values: 3,687,833   2,643,275      
Catg F1 Exception Values: 9,068,279   6,236,391      
Total Test Values (4): 1,246,056,022   1,297,131,841      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 64,856,592

Confidence Interval Values (5)

State Lower Limit: 1,232,275,249 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,246,056,022 (Within Confidence Interval)
State Upper Limit: 1,361,988,433 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,288,124,468 (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, 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
(6) Includes local value of unstudied property categories and sub-categories