taxes Property Tax Assistance

2017 Confidence Interval Detail

240/Webb
240-901/Laredo ISD

Category Summary

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

Stratum
Variance
A 281,653,106 0.9440 298,361,341 16 5,620 .030146736
A 311,713,356 0.8843 352,497,293 22 4,204 .030783978
A 353,052,473 0.8899 396,732,749 18 3,502 .012828253
A 371,069,512 0.9689 382,980,196 27 2,237 .033057510
B 53,008,492 0.9942 53,317,735 11 382 .035828772
B 50,583,639 0.9523 53,117,336 12 219 .030683576
B 41,154,268 0.9240 44,539,251 11 98 .019421585
B 36,432,854 0.9712 37,513,235 8 38 .022259782
F1 169,115,104 1.0017 168,828,096 13 1,066 .039311644
F1 168,995,542 0.9282 182,068,026 13 394 .019512311
F1 178,592,801 1.0753 166,086,488 12 159 .065178887
F1 196,654,652 0.9826 200,137,036 7 15 .031103948
L1 43,355,810 0.9674 44,816,839 10 808 .007453012
L1 45,091,606 1.0233 44,064,894 9 181 .002719145
L1 37,713,458 0.9953 37,891,548 9 55 .006198034
L1 50,810,980 1.0154 50,040,358 5 15 .008840792
Random Totals: 2,388,997,653   2,512,992,421 203 18,993  
Catg D1 Exception Values: 460   700      
Total Test Values (4): 2,388,998,113   2,512,993,121      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 125,649,656

Confidence Interval Values (5)

State Lower Limit: 2,387,343,465 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,388,998,113 (Within Confidence Interval)
State Upper Limit: 2,638,642,777 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,249,404,758 (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