taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
236/Walker
236-901/New Waverly ISD

Category Summary

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

Stratum
Variance
A 21,506,200 0.9766 22,021,503 12 465 .035489267
A 22,797,080 0.8944 25,488,685 13 255 .046256214
A 22,743,780 1.0002 22,739,232 9 160 .007889483
A 28,507,420 0.9709 29,361,850 10 104 .019094392
C1 3,098,712 1.0385 2,983,834 12 470 .019351587
C1 2,401,870 1.0151 2,366,141 10 186 .020202369
C1 3,351,020 1.0208 3,282,739 12 104 .018890811
C1 2,543,600 1.0241 2,483,742 8 41 .002386966
E 81,989,067 1.1494 71,332,058 18 801 .015257105
F1 3,542,420 0.8208 4,315,814 8 40 .097340812
F1 4,946,490 0.8992 5,500,990 6 18 .010786337
F1 3,824,190 0.8891 4,301,192 4 7 .039034772
F1 4,284,750 0.8736 4,904,705 2 4 .004414476
Random Totals: 205,536,599   201,082,485 124 2,655  
Catg J Exception Values: 8,123,301   8,231,192      
Catg D1 Exception Values: 5,740,019   5,545,499      
Total Test Values (4): 219,399,919   214,859,176      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 10,742,959

Confidence Interval Values (5)

State Lower Limit: 204,116,217 (State Test Value minus Margin of Error Percent)
Local Test Value: 219,399,919 (Within Confidence Interval)
State Upper Limit: 225,602,135 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 241,790,939 (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