taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
188/Potter
188-901/Amarillo ISD

Category Summary

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

Stratum
Variance
A 1,313,563,228 0.9620 1,365,450,341 249 18,633 .022853105
A 1,304,529,314 0.9981 1,307,012,638 250 10,997 .012854270
A 1,469,353,968 0.9808 1,498,117,830 250 8,693 .015252717
A 1,556,367,298 0.9389 1,657,649,694 250 4,558 .028449283
B 94,722,787 0.7980 118,700,234 25 873 .116096198
B 105,512,942 0.9077 116,242,087 9 75 .023352749
B 113,138,800 1.0116 111,841,439 6 20 .000701244
B 75,591,570 0.9530 79,319,591 4 7 .004497289
F1 383,509,602 0.8973 427,403,992 21 1,821 .082380207
F1 378,571,897 0.8832 428,636,659 14 435 .088045086
F1 390,336,205 0.8136 479,764,264 12 146 .094548073
F1 390,414,973 1.0016 389,791,307 8 34 .010419294
L1 215,118,372 1.0120 212,567,561 10 1,699 .002682592
L1 242,492,712 0.9815 247,063,385 11 356 .000872580
L1 218,832,282 1.0036 218,047,312 8 77 .001373043
L1 172,704,639 0.9575 180,370,380 6 13 .002064067
Random Totals: 8,424,760,589   8,837,978,714 1,133 48,437  
Catg J Exception Values: 123,437,190   113,618,436      
Catg D1 Exception Values: 456,789   449,532      
Total Test Values (4): 8,548,654,568   8,952,046,682      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 447,602,334

Confidence Interval Values (5)

State Lower Limit: 8,504,444,348 (State Test Value minus Margin of Error Percent)
Local Test Value: 8,548,654,568 (Within Confidence Interval)
State Upper Limit: 9,399,649,016 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 7,907,332,882 (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