taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
040/Cochran
040-901/Morton ISD

Category Summary

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

Stratum
Variance
A 4,213,119 0.9284 4,538,043 10 332 .044689705
A 4,164,572 0.8448 4,929,654 9 149 .003768480
A 4,093,720 1.0132 4,040,387 12 87 .013489252
A 4,586,092 0.7994 5,736,918 11 55 .067083517
E 5,886,446 0.9538 6,171,573 15 275 .006868784
G1 5,080,959 0.9712 5,231,630 7 23 .013721951
L1 1,032,264 1.0074 1,024,681 8 34 .005318544
L1 922,642 1.0263 898,998 5 7 .002499689
L1 1,316,425 1.0028 1,312,749 2 4 .000133046
Random Totals: 31,296,239   33,884,633 79 966  
Catg D1 Exception Values: 19,263,907   14,600,353      
Catg G1 Exception Values: 7,502,697   7,457,566      
Catg L1 Exception Values: 654,561   646,120      
Total Test Values (4): 58,717,404   56,588,672      

Margin of Error

Margin of Error Percent: 5.0000007
Margin of Error Value: 2,829,434

Confidence Interval Values (5)

State Lower Limit: 53,759,238 (State Test Value minus Margin of Error Percent)
Local Test Value: 58,717,404 (Within Confidence Interval)
State Upper Limit: 59,418,106 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 64,504,125 (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