taxes Property Tax Assistance

2017 Confidence Interval Detail

050/Coryell
050-910/Copperas Cove ISD

Category Summary

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

Stratum
Variance
A 265,700,314 0.9495 279,831,821 98 3,883 .021093095
A 254,310,159 1.0079 252,316,856 89 2,484 .009473948
A 265,124,918 0.9741 272,174,231 108 1,865 .006447037
A 278,468,071 0.9847 282,794,832 107 1,375 .006209554
B 29,586,427 1.0306 28,707,963 10 336 .048343512
B 32,592,292 0.9845 33,105,426 10 220 .001672177
B 30,153,232 1.0268 29,366,217 9 123 .003574541
B 30,324,835 0.9461 32,052,463 5 13 .003176700
F1 46,309,944 0.9441 49,051,948 9 154 .004341719
F1 46,686,475 0.7368 63,363,837 8 57 .475604018
F1 45,805,506 1.0256 44,662,155 7 25 .006608858
F1 56,129,826 0.9134 61,451,528 4 9 .029765588
Random Totals: 1,381,191,999   1,428,879,277 464 10,544  
Catg D1 Exception Values: 1,573,609   1,605,431      
Total Test Values (4): 1,382,765,608   1,430,484,708      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 71,524,235

Confidence Interval Values (5)

State Lower Limit: 1,358,960,473 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,382,765,608 (Within Confidence Interval)
State Upper Limit: 1,502,008,943 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,272,766,361 (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