taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
020/Brazoria
020-908/Pearland ISD

Category Summary

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

Stratum
Variance
A 1,141,046,175 1.0007 1,140,248,001 51 8,590 .006083015
A 1,054,095,901 1.0204 1,033,022,247 44 6,337 .005511012
A 1,087,474,728 1.0134 1,073,095,252 42 5,385 .007336294
A 1,135,920,905 0.9765 1,163,257,455 37 3,895 .009002562
F1 136,387,325 1.0416 130,940,212 11 386 .029094328
F1 150,960,223 0.9421 160,238,003 10 147 .050627845
F1 142,303,045 1.1080 128,432,351 9 65 .015304286
F1 132,458,924 1.0153 130,462,843 7 21 .006453326
Random Totals: 4,980,647,226   4,959,696,364 211 24,826  
Catg D1 Exception Values: 266,969   253,227      
Total Test Values (4): 4,980,914,195   4,959,949,591      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 247,997,480

Confidence Interval Values (5)

State Lower Limit: 4,711,952,111 (State Test Value minus Margin of Error Percent)
Local Test Value: 4,980,914,195 (Within Confidence Interval)
State Upper Limit: 5,207,947,071 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 5,469,549,695 (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