taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
043/Collin
043-912/Prosper ISD

Category Summary

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

Stratum
Variance
A 456,714,596 0.9334 489,302,117 97 2,346 .014126913
A 512,235,444 0.9581 534,636,723 99 1,743 .007309779
A 567,821,766 0.9614 590,619,686 100 1,449 .008539226
A 623,980,631 0.9702 643,146,394 106 1,020 .006994825
E 222,457,901 0.9163 242,778,458 14 364 .034187272
Random Totals: 2,383,210,338   2,500,483,378 416 6,922  
Catg D1 Exception Values: 2,840,943   2,616,564      
Total Test Values (4): 2,386,051,281   2,503,099,942      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 125,154,997

Confidence Interval Values (5)

State Lower Limit: 2,377,944,945 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,386,051,281 (Within Confidence Interval)
State Upper Limit: 2,628,254,939 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,909,669,719 (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