taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
042/Coleman
042-901/Coleman ISD

Category Summary

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

Stratum
Variance
A 16,119,975 0.9000 17,911,083 27 1,012 .115772160
A 16,431,293 0.6208 26,467,933 24 529 .242003549
A 17,233,340 0.8011 21,512,096 27 308 .041974857
A 16,408,920 0.8211 19,984,070 16 142 .026612242
E 31,837,718 0.8074 39,432,398 40 747 .100336034
F1 3,389,460 0.9698 3,495,009 13 155 .145706171
F1 3,071,060 0.9521 3,225,565 12 61 .005539000
F1 3,424,650 0.7937 4,314,791 10 28 .093655675
F1 6,463,360 0.6985 9,253,200 6 9 .223143528
L1 2,330,030 0.9460 2,463,034 14 93 .007099517
L1 2,315,270 0.9596 2,412,745 9 23 .007037397
L1 2,536,850 0.9813 2,585,193 6 10 .000456409
Random Totals: 121,561,926   153,057,117 204 3,117  
Catg J Exception Values: 1,066,390   1,135,738      
Catg D1 Exception Values: 12,694,110   11,623,470      
Catg L1 Exception Values: 2,743,220   2,781,022      
Total Test Values (4): 138,065,646   168,597,347      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 8,429,867

Confidence Interval Values (5)

Local Test Value: 138,065,646 (Outside Confidence Interval)
State Lower Limit: 160,167,480 (State Test Value minus Margin of Error Percent)
State Upper Limit: 177,027,214 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 184,330,084 (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