taxes Property Tax Assistance

2019 Confidence Interval Detail

Harris County
101-914/Katy ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 2,692,281,320 0.9433 2,854,109,318 194 17026 0.006156439
A 3,596,208,167 0.9708 3,704,375,945 196 17844 0.004890263
A 3,336,876,426 0.9985 3,341,889,260 197 12729 0.008847859
A 3,219,533,508 0.9863 3,264,253,785 193 6939 0.010628772
B 427,604,200 0.9982 428,375,275 7 25 0.024592146
B 437,683,294 0.9475 461,934,875 7 15 0.006662048
B 290,803,253 0.9620 302,290,284 7 8 0.012321333
B 921,688,751 0.9950 926,320,353 8 21 0.016660474
C1 225,336,948 0.7409 304,139,490 9 1168 0.062749897
C1 205,119,747 0.9702 211,420,065 9 93 0.013676175
C1 249,806,109 1.0009 249,581,486 8 53 0.017555556
C1 133,505,979 0.9815 136,022,393 7 10 0.004246273
F1 1,736,430,328 0.8307 2,090,321,811 20 938 0.083345631
F1 1,779,302,057 0.9595 1,854,405,479 12 224 0.022478419
F1 1,379,225,095 0.9115 1,513,137,789 9 64 0.059799677
F1 1,727,871,353 1.0338 1,671,378,751 8 25 0.019263508
L1 295,007,958 0.9054 325,831,630 11 1840 0.026925361
L1 266,547,730 0.9050 294,527,878 9 189 0.010361013
L1 257,673,706 0.9533 270,296,555 9 53 0.009588858
L1 306,901,428 0.9944 308,629,755 4 11 0.000575216
Random Totals: 23,485,407,357 24,513,242,177 924 59,275
CATG D1 EXCEPTION VALUES: 2,252,513 2,209,563
Total Test Values(1) 23,487,659,870 24,515,451,740

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,225,772,587

Confidence Interval Values(5)

Local Test Value: 23,487,659,870 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 23,289,679,153 (State Test Value minus Margin of Error Percent)
State Upper Limit: 25,741,224,327 (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