taxes Property Tax Assistance

2021 Confidence Interval Detail

Montgomery County
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 6,843,538,297 0.9458 7,235,713,996 249 35,284 0.008411675
A 7,476,083,577 0.9480 7,886,164,111 249 25,475 0.008676973
A 7,631,152,917 0.9450 8,075,294,092 250 17,498 0.010224074
A 7,172,300,058 0.9703 7,391,837,636 250 7,759 0.023795374
B 500,810,414 0.6556 763,896,300 9 50 0.146992113
B 464,301,447 0.6975 665,665,157 8 23 0.052263290
B 564,290,428 0.7017 804,176,184 7 20 0.014027253
B 572,353,629 0.6855 834,943,295 5 13 0.037384808
C1 133,433,679 0.4970 268,478,227 42 4,718 0.197756120
C1 128,969,424 0.6861 187,974,674 85 1,541 0.104371102
C1 114,158,670 0.6782 168,325,966 61 532 0.387613583
C1 163,452,030 1.0250 159,465,395 8 69 0.027550636
E 696,057,370 0.7906 880,416,608 59 3,093 0.125688857
F1 2,101,622,796 0.7296 2,880,513,701 23 2,190 0.133053826
F1 2,028,884,636 1.0204 1,988,322,850 15 403 0.018272783
F1 1,922,852,810 1.0279 1,870,661,358 16 124 0.010163227
F1 1,999,315,030 1.0676 1,872,719,211 15 35 0.054805987
L1 547,558,370 0.9075 603,370,105 10 2,964 0.029743932
L1 534,342,762 1.0041 532,160,902 10 390 0.008802287
L1 495,801,729 1.0184 486,843,803 10 97 0.017147910
L1 511,679,314 0.9876 518,103,801 8 28 0.008604570
Random Totals: 42,602,959,387 46,075,047,372 1,389 102,306
CATG D1 EXCEPTION VALUES: 33,811,227 33,622,858
CATG J EXCEPTION VALUES: 293,578,760 361,907,968
Total Test Values 42,930,349,374 46,470,578,198

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,323,528,910

Confidence Interval Values(5)

Local Test Value: 42,930,349,374 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 44,147,049,288 (State Test Value minus Margin of Error Percent)
State Upper Limit: 48,794,107,108 (State Test Value plus Margin of Error Percent)

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, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values