taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
101/Harris
101-910/Galena Park ISD

Category Summary

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

Stratum
Variance
A 313,279,107 0.8825 354,990,490 40 6,502 .047619285
A 303,867,167 0.9666 314,367,026 62 4,493 .036383281
A 338,213,001 0.9527 355,004,724 71 3,680 .036903754
A 347,867,996 0.9739 357,190,673 63 2,334 .018441645
B 46,551,158 0.8716 53,408,855 9 94 .017120678
B 52,185,325 0.8633 60,448,656 4 10 .027196991
B 45,098,578 0.8793 51,289,182 4 5 .003342670
F1 109,662,333 1.1486 95,474,781 11 492 .062611943
F1 104,276,539 1.0834 96,249,344 10 116 .031037131
F1 135,797,906 1.0480 129,578,155 7 54 .007630245
F1 124,807,345 0.9668 129,093,241 6 16 .004148536
L1 85,832,190 0.9521 90,150,394 10 583 .007263224
L1 91,855,596 0.9715 94,550,279 8 59 .000712644
L1 57,734,131 0.9606 60,102,156 6 9 .001933755
L1 76,853,775 0.9939 77,325,460 3 5 .000385390
Random Totals: 2,233,882,147   2,319,223,416 314 18,452  
Catg D1 Exception Values: 50,919   64,494      
Catg B Exception Values: 49,564,665   50,879,030      
Total Test Values (4): 2,283,497,731   2,370,166,940      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 118,508,347

Confidence Interval Values (5)

State Lower Limit: 2,251,658,593 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,283,497,731 (Within Confidence Interval)
State Upper Limit: 2,488,675,287 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 6,572,790,801 (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