taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
101/Harris
101-920/Spring Branch ISD

Category Summary

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

Stratum
Variance
A 3,607,476,065 0.9127 3,952,532,119 143 18,878 .013617204
A 4,135,858,469 0.9062 4,563,957,701 143 8,016 .017655830
A 3,936,718,069 0.9386 4,194,244,693 141 3,952 .012122156
A 4,373,732,532 0.9314 4,695,869,156 94 2,022 .022430729
B 206,948,981 1.0064 205,632,930 9 83 .023614018
B 267,052,289 0.9488 281,463,205 9 39 .028256805
B 199,423,444 1.0871 183,445,354 5 9 .002274902
B 331,904,615 0.9950 333,572,477 3 6 .000073966
C1 93,425,266 0.9038 103,369,403 11 451 .022845122
C1 88,684,637 0.9067 97,810,342 11 109 .005505367
C1 73,186,840 0.9680 75,606,240 8 47 .009229077
C1 68,176,221 0.9901 68,857,914 6 12 .003336862
F1 1,114,898,376 0.9396 1,186,567,024 12 950 .029926382
F1 1,219,454,247 1.0067 1,211,338,281 10 217 .021462069
F1 1,253,429,500 1.1017 1,137,723,064 9 70 .037146963
F1 1,448,657,032 1.1472 1,262,776,353 7 20 .006315304
L1 299,867,170 0.9736 307,998,326 10 2,328 .015482794
L1 301,983,765 0.9609 314,271,792 10 328 .005134878
L1 245,248,108 1.0198 240,486,476 9 83 .002016674
L1 358,465,703 0.9480 378,128,379 7 35 .003086398
Random Totals: 23,624,591,329   24,795,651,229 657 37,655  
Catg D1 Exception Values: 22,198   20,643      
Total Test Values (4): 23,624,613,527   24,795,671,872      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,239,783,594

Confidence Interval Values (5)

State Lower Limit: 23,555,888,278 (State Test Value minus Margin of Error Percent)
Local Test Value: 23,624,613,527 (Within Confidence Interval)
State Upper Limit: 26,035,455,466 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 22,349,544,402 (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