taxes Property Tax Assistance

2016 Confidence Interval Detail

031/Cameron
031-909/Point Isabel ISD

Category Summary

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

Stratum
Variance
A 632,615,642 0.9765 647,839,879 88 4,583 .028680362
A 615,481,504 0.9555 644,146,001 38 2,364 .023460587
A 602,880,530 0.9876 610,450,111 21 1,479 .009130083
A 625,181,939 0.9707 644,052,683 9 788 .018763565
C1 54,696,209 1.2052 45,383,512 21 1,124 .105922620
C1 45,541,155 1.0306 44,188,972 12 379 .110097200
C1 53,956,183 1.1082 48,688,128 10 225 .033980750
C1 52,354,623 0.7484 69,955,402 8 39 .055453075
F1 79,727,566 1.0137 78,650,060 13 283 .118696757
F1 75,704,870 1.0429 72,590,728 9 85 .015581321
F1 79,446,834 1.0488 75,750,223 8 45 .031959740
F1 73,203,300 0.6744 108,545,819 6 13 .095717220
Random Totals: 2,990,790,355   3,090,241,518 243 11,407  
Catg D1 Exception Values: 1,701,737   1,177,114      
Total Test Values (4): 2,992,492,092   3,091,418,632      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 154,570,931

Confidence Interval Values (5)

State Lower Limit: 2,936,847,701 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,992,492,092 (Within Confidence Interval)
State Upper Limit: 3,245,989,563 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,514,802,734 (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