taxes Property Tax Assistance

2021 Confidence Interval Detail

Coryell County
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 251,582,073 0.8530 294,937,952 65 3,197 0.027424248
A 396,491,726 0.9141 433,750,931 65 3,280 0.007624035
A 367,704,775 0.9544 385,273,234 65 2,158 0.009646220
A 525,058,853 0.9628 545,345,714 65 2,122 0.003768347
B 30,961,132 0.5487 56,426,339 16 345 0.070653940
B 30,594,762 0.6819 44,866,934 22 198 0.029949260
B 51,807,320 0.7585 68,302,334 10 201 0.019245711
B 26,543,651 0.8949 29,661,025 5 8 0.007076406
F1 50,875,759 0.8426 60,379,491 11 150 0.035131173
F1 53,313,872 1.0427 51,130,596 9 53 0.006327909
F1 59,486,706 0.9336 63,717,551 7 21 0.015885686
Random Totals: 1,844,420,629 2,033,792,101 340 11,733
CATG D1 EXCEPTION VALUES: 1,559,293 1,469,873
CATG F1 EXCEPTION VALUES: 40,531,226 44,442,633
Total Test Values 1,886,511,148 2,079,704,607

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 103,985,230

Confidence Interval Values(5)

Local Test Value: 1,886,511,148 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 1,975,719,377 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,183,689,837 (State Test Value plus Margin of Error Percent)

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