taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 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 242,458,499 1.0281 235,831,630 42 3,597 .011445277
A 236,519,328 0.9976 237,088,340 44 2,483 .007662420
A 243,468,240 0.9907 245,753,750 55 1,823 .002103955
A 262,459,515 0.9785 268,226,382 58 1,401 .003123561
B 27,582,515 0.8664 31,835,774 12 346 .025127248
B 26,139,446 1.0036 26,045,682 10 200 .009434598
B 30,899,365 1.0290 30,028,537 11 123 .006485085
B 25,236,418 1.0815 23,334,644 6 9 .029198322
F1 35,641,008 0.8729 40,830,574 9 140 .051248814
F1 36,861,482 0.8516 43,284,972 10 58 .026492278
F1 35,333,195 0.9631 36,686,943 7 23 .014395520
F1 52,280,904 0.9851 53,071,672 4 11 .001179650
Random Totals: 1,254,879,915   1,272,018,900 268 10,214  
Catg D1 Exception Values: 1,525,840   1,135,492      
Total Test Values (4): 1,256,405,755   1,273,154,392      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 63,657,720

Confidence Interval Values (5)

State Lower Limit: 1,209,496,672 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,256,405,755 (Within Confidence Interval)
State Upper Limit: 1,336,812,112 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,205,351,753 (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