taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
101/Harris
101-903/Alief ISD

Category Summary

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

Stratum
Variance
A 1,053,776,119 0.9460 1,113,928,244 70 15,138 .012282513
A 1,080,490,065 0.9527 1,134,134,633 78 11,815 .011868887
A 1,038,176,440 0.9410 1,103,269,330 83 8,143 .007648255
A 1,077,330,007 0.9563 1,126,560,710 90 2,724 .011734277
B 401,077,101 0.9244 433,878,301 10 108 .017636752
B 343,579,283 0.8929 384,790,327 8 49 .022924804
B 343,337,765 0.8664 396,280,892 9 27 .041218670
B 507,468,536 0.9828 516,349,752 7 20 .008211220
C1 70,299,899 0.9432 74,533,396 12 207 .017492615
C1 68,900,011 1.0095 68,251,621 11 67 .009651526
C1 66,391,671 0.9824 67,581,098 7 22 .003029894
F1 882,438,298 0.9740 905,994,146 12 966 .036041595
F1 922,224,863 1.0756 857,405,042 11 262 .033196330
F1 1,073,114,692 1.0802 993,440,744 9 102 .019369140
F1 1,156,680,852 0.9794 1,181,009,651 9 27 .042984428
L1 207,431,602 0.9957 208,327,410 10 2,389 .011864589
L1 211,842,765 1.0069 210,391,067 10 276 .008978738
L1 215,797,569 0.9755 221,217,395 8 61 .007564257
L1 203,442,945 0.9732 209,045,361 6 17 .000659953
Random Totals: 10,923,800,483   11,206,389,120 460 42,420  
Catg D1 Exception Values: 13,952   14,319      
Catg C1 Exception Values: 37,757,890   38,966,675      
Total Test Values (4): 10,961,572,325   11,245,370,114      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 562,268,506

Confidence Interval Values (5)

State Lower Limit: 10,683,101,608 (State Test Value minus Margin of Error Percent)
Local Test Value: 10,961,572,325 (Within Confidence Interval)
State Upper Limit: 11,807,638,620 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 11,571,889,001 (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