taxes Property Tax Assistance

2016 Confidence Interval Detail

091/Grayson
091-914/S and S CISD

Category Summary

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

Stratum
Variance
A 40,442,376 1.0126 39,939,143 18 588 .005710384
A 44,486,468 1.0188 43,665,556 12 303 .008189066
A 57,684,129 0.9550 60,402,229 14 253 .016349077
A 62,729,399 0.9887 63,446,343 9 157 .013168792
E 82,397,627 1.0167 81,044,189 16 789 .009606818
G1 9,231,713 1.0027 9,206,854 8 40 .005990590
G1 9,448,933 1.0011 9,438,551 6 13 .001099138
G1 8,698,251 1.0592 8,212,095 4 8 .076731074
Random Totals: 315,118,896   315,354,960 87 2,151  
Catg J Exception Values: 9,752,234   10,531,483      
Catg D1 Exception Values: 5,987,828   4,820,922      
Catg G1 Exception Values: 8,754,841   8,409,431      
Total Test Values (4): 339,613,799   339,116,796      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,955,839

Confidence Interval Values (5)

State Lower Limit: 322,160,957 (State Test Value minus Margin of Error Percent)
Local Test Value: 339,613,799 (Within Confidence Interval)
State Upper Limit: 356,072,635 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 329,885,353 (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