taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
237/Waller
237-904/Waller ISD

Category Summary

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

Stratum
Variance
A 107,820,415 0.9382 114,922,634 21 1,599 .030432259
A 117,261,154 0.9210 127,319,385 22 965 .019395339
A 132,961,662 0.9353 142,159,373 24 758 .029924963
A 164,087,439 0.9226 177,853,283 14 534 .008148824
E 423,086,037 0.9583 441,496,438 44 2,593 .025810550
F1 20,566,723 1.0525 19,540,829 10 168 .009920286
F1 21,888,346 1.0459 20,927,762 11 53 .008156011
F1 26,002,840 1.0544 24,661,267 6 20 .009134958
L1 17,401,650 0.9949 17,490,853 9 139 .002838176
L1 20,859,960 0.9449 22,076,368 7 23 .054985814
L1 29,834,150 1.0487 28,448,698 4 11 .017233251
Random Totals: 1,081,770,376   1,136,896,890 172 6,863  
Catg J Exception Values: 20,103,410   18,328,030      
Catg D1 Exception Values: 14,940,003   12,252,523      
Catg F1 Exception Values: 16,855,490   16,664,323      
Catg L1 Exception Values: 14,913,720   14,130,450      
Total Test Values (4): 1,148,582,999   1,198,272,216      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 59,913,610

Confidence Interval Values (5)

State Lower Limit: 1,138,358,606 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,148,582,999 (Within Confidence Interval)
State Upper Limit: 1,258,185,826 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,298,050,306 (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