taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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 247,834,756 0.9834 252,018,259 57 3,551 .043658027
A 253,560,819 0.9847 257,500,578 84 2,527 .033925697
A 269,285,332 0.9650 279,052,158 103 1,958 .006748304
A 225,793,890 0.9823 229,862,455 53 1,134 .002432911
B 25,240,193 0.9039 27,923,656 10 326 .044119573
B 31,781,322 0.9841 32,294,809 10 233 .012387285
B 26,675,080 1.0110 26,384,847 9 116 .000125076
B 31,953,775 1.0233 31,226,204 5 14 .000333497
F1 40,624,538 0.9834 41,310,289 8 148 .004454726
F1 44,257,600 0.8524 51,921,164 8 57 .097498103
F1 39,940,155 0.9768 40,888,775 7 21 .003768158
F1 44,831,750 0.9605 46,675,429 4 7 .005278801
Random Totals: 1,281,779,210   1,317,058,623 358 10,092  
Catg D1 Exception Values: 1,507,593   1,632,950      
Total Test Values (4): 1,283,286,803   1,318,691,573      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 65,934,578

Confidence Interval Values (5)

State Lower Limit: 1,252,756,995 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,283,286,803 (Within Confidence Interval)
State Upper Limit: 1,384,626,151 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,197,551,106 (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