taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
170/Montgomery
170-906/Magnolia ISD

Category Summary

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

Stratum
Variance
A 797,722,960 0.8746 912,100,343 92 5,502 .060152533
A 932,341,610 0.9087 1,026,016,958 85 3,760 .014812816
A 909,594,807 0.9131 996,161,217 56 2,425 .012622845
A 1,094,937,234 0.8940 1,224,762,007 52 1,847 .030724662
E 449,553,592 0.9035 497,569,001 32 1,651 .019640717
F1 96,566,909 1.0033 96,249,286 10 381 .036789000
F1 106,736,850 1.0129 105,377,481 9 163 .015665087
F1 91,882,180 1.0387 88,458,824 9 51 .014530101
F1 92,750,050 0.9231 100,476,709 5 13 .035337297
Random Totals: 4,572,086,192   5,047,171,826 350 15,793  
Catg D1 Exception Values: 18,321,464   18,120,768      
Total Test Values (4): 4,590,407,656   5,065,292,594      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 253,264,629

Confidence Interval Values (5)

Local Test Value: 4,590,407,656 (Outside Confidence Interval)
State Lower Limit: 4,812,027,965 (State Test Value minus Margin of Error Percent)
State Upper Limit: 5,318,557,223 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 4,929,001,695 (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