taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
043/Collin
043-910/Plano ISD

Category Summary

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

Stratum
Variance
A 4,517,643,704 0.9436 4,787,668,190 250 26,997 .011481098
A 5,629,252,055 0.9452 5,955,620,033 250 23,738 .011031658
A 5,863,297,275 0.9548 6,140,864,343 250 17,657 .007914427
A 5,908,982,277 0.9520 6,206,914,157 250 9,715 .010902849
B 733,655,466 0.8819 831,903,238 10 154 .046099821
B 645,998,073 0.8697 742,782,653 8 39 .006351415
B 748,970,744 0.8626 868,271,208 8 33 .002527938
B 996,699,439 0.9134 1,091,197,109 9 29 .008167734
E 274,784,070 1.0190 269,660,520 14 346 .001429177
F1 1,872,550,025 1.0156 1,843,786,949 15 980 .044606025
F1 1,958,543,243 0.9433 2,076,267,617 11 205 .028242428
F1 1,879,364,345 0.9401 1,999,111,100 11 72 .009485655
F1 2,098,087,965 0.9721 2,158,304,665 6 25 .002549423
L1 813,952,384 0.9797 830,817,989 10 2,392 .015012361
L1 806,201,793 1.0066 800,915,749 10 222 .027369516
L1 923,027,826 1.0272 898,586,279 8 50 .001578989
L1 710,750,616 0.9805 724,885,891 5 10 .000453895
Random Totals: 36,381,761,300   38,227,557,690 1,125 82,664  
Catg J Exception Values: 343,520,624   369,530,497      
Catg D1 Exception Values: 852,693   809,140      
Total Test Values (4): 36,726,134,617   38,597,897,327      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,929,894,866

Confidence Interval Values (5)

State Lower Limit: 36,668,002,461 (State Test Value minus Margin of Error Percent)
Local Test Value: 36,726,134,617 (Within Confidence Interval)
State Upper Limit: 40,527,792,193 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 37,492,297,865 (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