taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
101/Harris
101-902/Aldine ISD

Category Summary

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

Stratum
Variance
A 1,049,638,923 0.9575 1,096,228,640 87 18,220 .028328231
A 834,443,962 0.9633 866,234,778 91 11,266 .017912682
A 883,617,551 0.9566 923,706,409 88 9,765 .018375399
A 996,301,369 0.9656 1,031,795,121 87 7,213 .016146930
B 114,435,695 1.0052 113,843,708 9 70 .017865926
B 158,555,640 0.9753 162,571,147 8 44 .010305825
B 144,831,774 0.8364 173,160,897 7 28 .008834268
B 146,615,904 0.8698 168,562,778 6 16 .006693230
C1 78,365,215 0.9593 81,689,998 22 4,279 .016205320
C1 78,757,971 0.9888 79,650,052 10 942 .009788128
C1 77,843,802 0.9838 79,125,637 12 290 .031978511
C1 103,368,681 0.9837 105,081,510 9 101 .011172754
F1 1,007,031,655 0.7539 1,335,762,906 16 1,623 .158439609
F1 1,071,961,589 1.2049 889,668,511 10 402 .019801401
F1 1,135,535,754 1.1246 1,009,724,128 9 151 .047155287
F1 1,234,440,748 1.0629 1,161,389,357 8 49 .011593185
L1 544,871,874 0.9981 545,909,101 10 1,752 .001459065
L1 560,724,772 0.9760 574,513,086 10 189 .001282309
L1 569,871,641 0.9778 582,810,024 9 61 .001304551
L1 649,729,413 0.9653 673,085,479 6 22 .001269342
Random Totals: 11,440,943,933   11,654,513,267 514 56,483  
Catg J Exception Values: 66,101,280   61,472,376      
Catg D1 Exception Values: 360,669   386,985      
Total Test Values (4): 11,507,405,882   11,716,372,628      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 585,818,631

Confidence Interval Values (5)

State Lower Limit: 11,130,553,997 (State Test Value minus Margin of Error Percent)
Local Test Value: 11,507,405,882 (Within Confidence Interval)
State Upper Limit: 12,302,191,259 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 14,753,608,812 (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