taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
170/Montgomery
170-902/Conroe ISD

Category Summary

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

Stratum
Variance
A 4,607,213,934 0.9038 5,097,603,379 240 29,995 .022309613
A 5,209,264,604 0.9294 5,604,975,903 238 20,046 .014813214
A 5,630,732,025 0.9192 6,125,687,582 214 13,345 .017884214
A 5,801,784,441 0.9395 6,175,395,892 174 6,162 .034435898
B 230,014,729 0.9847 233,588,635 8 36 .007885301
B 331,530,337 1.0600 312,764,469 7 25 .003772390
B 243,127,470 1.0410 233,551,844 6 11 .001341946
B 503,139,870 1.0240 491,347,529 4 16 .012022456
C1 112,513,136 0.8560 131,440,579 10 5,490 .039344823
C1 72,452,768 0.9825 73,743,275 10 1,152 .007335026
C1 174,364,140 0.9894 176,232,201 10 1,026 .015336296
C1 118,486,270 1.1040 107,324,520 10 90 .042740129
E 366,124,277 0.7479 489,536,405 21 2,769 .120338858
F1 1,412,042,746 1.0730 1,315,976,464 10 1,900 .002246056
F1 1,243,318,345 1.0296 1,207,574,150 10 275 .004837171
F1 1,404,653,160 0.8220 1,708,823,796 9 99 .370048489
F1 1,204,598,660 1.0132 1,188,905,113 7 21 .018338360
G1 10,954,950 1.0443 10,490,233 7 28 .026427828
L1 411,733,940 1.0267 401,026,532 10 2,663 .006667055
L1 415,138,507 1.0156 408,761,823 10 419 .003141658
L1 453,313,869 0.9797 462,706,817 9 136 .005842572
L1 512,305,404 0.9996 512,510,408 8 41 .006223598
Random Totals: 30,468,807,582   32,469,967,549 1,032 85,745  
Catg J Exception Values: 191,343,900   187,310,246      
Catg D1 Exception Values: 44,668,314   44,495,227      
Catg G1 Exception Values: 150,760,849   144,286,939      
Total Test Values (4): 30,855,580,645   32,846,059,961      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,642,302,998

Confidence Interval Values (5)

Local Test Value: 30,855,580,645 (Outside Confidence Interval)
State Lower Limit: 31,203,756,963 (State Test Value minus Margin of Error Percent)
State Upper Limit: 34,488,362,959 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 29,631,731,544 (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