taxes Property Tax Assistance

2017 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 4,525,214 0.8310 5,445,504 15 331 .018659803
A 4,436,574 0.8336 5,322,186 15 145 .042156901
A 4,497,417 0.8859 5,076,664 16 84 .031159133
A 5,132,395 0.9524 5,388,907 15 58 .007446819
E 8,163,061 0.9113 8,957,600 21 321 .176860260
F1 1,015,892 0.9006 1,128,017 14 70 .061639003
F1 826,695 0.8866 932,433 11 20 .116731064
F1 961,808 0.9079 1,059,377 7 10 .081110373
G1 1,222,447 1.0735 1,138,749 10 26 .019924751
L1 821,397 1.0030 818,940 8 30 .004822911
L1 680,539 1.0268 662,777 6 10 .017988435
L1 1,297,003 0.9857 1,315,819 4 8 .000662069
L1 1,330,052 0.9694 1,372,036 2 4 .001487399
Random Totals: 34,910,494   38,619,009 144 1,117  
Catg J Exception Values: 1,362,268   1,672,142      
Catg D1 Exception Values: 12,649,246   6,555,284      
Catg F1 Exception Values: 889,418   938,329      
Catg G1 Exception Values: 3,244,433   3,208,744      
Catg L1 Exception Values: 1,209,585   1,165,704      
Total Test Values (4): 54,265,444   52,159,212      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,607,960

Confidence Interval Values (5)

State Lower Limit: 49,551,252 (State Test Value minus Margin of Error Percent)
Local Test Value: 54,265,444 (Within Confidence Interval)
State Upper Limit: 54,767,172 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 53,340,947 (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, D2, E, 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