taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
212/Smith
212-909/Chapel Hill ISD

Category Summary

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

Stratum
Variance
A 154,142,940 0.9340 165,035,268 22 1,899 .010543781
A 157,191,037 0.9599 163,757,722 37 958 .005388948
A 161,954,849 0.9803 165,209,476 39 628 .003830387
A 169,720,498 1.0036 169,111,696 13 339 .002487337
B 22,459,525 1.0140 22,149,433 9 77 .004762814
B 15,161,280 0.8980 16,883,385 2 3 .050127077
B 37,007,840 0.9870 37,495,279 3 4 .001121743
E 164,612,461 0.9575 171,919,019 15 2,135 .037243668
F1 22,035,053 1.0041 21,945,078 10 139 .005247000
F1 18,588,064 0.9878 18,817,639 9 38 .004504950
F1 23,124,892 0.9923 23,304,335 7 22 .001834203
F1 21,284,788 0.9782 21,759,137 3 4 .000423172
L1 22,346,514 1.0120 22,081,536 9 126 .010661257
L1 25,192,452 1.0280 24,506,276 6 20 .013426783
L1 22,348,771 1.1140 20,061,733 3 5 .012692074
Random Totals: 1,037,170,964   1,064,037,012 187 6,397  
Catg D1 Exception Values: 9,756,358   8,046,412      
Total Test Values (4): 1,046,927,322   1,072,083,424      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 53,604,171

Confidence Interval Values (5)

State Lower Limit: 1,018,479,253 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,046,927,322 (Within Confidence Interval)
State Upper Limit: 1,125,687,595 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,132,487,761 (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