taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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 4,107,216 0.8678 4,732,906 10 314 .043854455
A 4,456,587 0.7148 6,234,733 9 155 .079027993
A 4,316,950 0.8514 5,070,413 11 87 .015961035
A 4,690,108 0.8043 5,831,292 8 57 .001299290
E 7,075,104 0.9396 7,529,911 10 304 .022508790
F1 907,487 0.9998 907,669 9 65 .000049518
F1 856,393 0.9872 867,497 7 21 .000114319
F1 1,132,314 0.9804 1,154,951 5 12 .000488659
F1 869,647 0.9971 872,176 2 3 .000089700
G1 2,390,290 1.0442 2,289,111 7 23 .102214565
L1 1,261,987 0.9815 1,285,774 8 40 .008612864
L1 1,695,092 1.0038 1,688,675 5 11 .000546116
L1 558,105 0.9993 558,496 2 2 .001361980
Random Totals: 34,317,280   39,023,604 93 1,094  
Catg J Exception Values: 1,195,936   1,140,110      
Catg D1 Exception Values: 18,527,062   6,488,867      
Catg G1 Exception Values: 4,668,834   4,737,333      
Catg L1 Exception Values: 1,088,633   1,079,883      
Total Test Values (4): 59,797,745   52,469,797      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,623,489

Confidence Interval Values (5)

State Lower Limit: 49,846,308 (State Test Value minus Margin of Error Percent)
State Upper Limit: 55,093,286 (State Test Value plus Margin of Error Percent)
Local Test Value: 59,797,745 (Outside Confidence Interval)
Value Assigned (6): 58,559,832 (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