taxes Property Tax Assistance

2019 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 6,065,293,069 0.9687 6,261,270,846 248 33770 0.007566645
A 6,601,531,204 0.9948 6,636,038,605 252 23374 0.005238562
A 6,581,175,501 0.9865 6,671,237,203 247 15265 0.007320637
A 6,399,531,736 0.9663 6,622,717,309 249 6788 0.028800781
B 421,863,579 0.8104 520,562,166 9 46 0.023104886
B 538,172,198 0.8868 606,869,867 8 28 0.024851176
B 304,454,080 0.8266 368,320,929 6 11 0.037580655
B 493,834,014 0.8182 603,561,494 6 12 0.013652917
C1 126,428,527 0.6632 190,634,088 25 4507 0.112858668
C1 101,987,387 0.9922 102,789,142 46 1105 0.067142130
C1 122,684,410 0.9809 125,073,310 23 425 0.079734704
C1 148,268,020 1.0767 137,705,972 9 43 0.079795627
E 457,484,811 0.8225 556,212,536 20 2899 0.087297830
F1 1,752,620,919 0.8145 2,151,775,223 9 1862 0.101724937
F1 1,773,008,580 0.9603 1,846,306,967 10 338 0.115846567
F1 1,739,802,300 0.9529 1,825,797,355 9 107 0.044610814
F1 1,728,382,080 0.8811 1,961,618,522 7 26 0.125491797
L1 623,326,156 1.0072 618,870,290 10 3123 0.017207808
L1 600,648,210 0.9656 622,046,614 10 414 0.095282374
L1 536,441,553 0.9747 550,365,808 10 96 0.078539220
L1 411,321,379 1.0258 400,976,193 7 21 0.010176199
Random Totals: 37,528,259,713 39,380,750,439 1,220 94,260
CATG D1 EXCEPTION VALUES: 9,675,925 9,538,087
CATG J EXCEPTION VALUES: 246,973,070 301,904,612
Total Test Values(2) 37,784,908,708 39,692,193,138

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,984,609,657

Confidence Interval Values(5)

Local Test Value: 37,784,908,708 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 37,707,583,481 (State Test Value minus Margin of Error Percent)
State Upper Limit: 41,676,802,795 (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