taxes Property Tax Assistance

2017 Confidence Interval Detail

101/Harris
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 2,651,849,708 0.9545 2,778,260,564 248 17,782 .006691682
A 3,102,803,718 0.9930 3,124,676,453 248 15,932 .005902889
A 3,255,195,296 1.0011 3,251,618,516 248 12,126 .006825769
A 2,747,275,359 0.9956 2,759,416,793 243 5,370 .012716471
B 413,870,179 0.8791 470,788,510 7 29 .017180169
B 497,409,612 0.9684 513,640,657 7 18 .027725451
B 341,335,173 0.9862 346,111,512 5 10 .018505339
B 620,843,481 0.9629 644,764,234 6 15 .009769315
C1 168,591,002 0.9238 182,497,296 15 415 .117144795
C1 177,282,503 0.9664 183,446,299 9 86 .085600314
C1 182,848,364 0.9659 189,303,617 8 42 .230067635
C1 272,793,794 1.2899 211,484,452 6 26 .023222857
F1 1,573,066,236 0.8771 1,793,485,619 14 791 .242961304
F1 1,493,551,935 0.9236 1,617,098,241 10 165 .038521598
F1 1,479,043,739 1.0300 1,435,964,795 8 57 .009156734
F1 1,535,230,368 1.0367 1,480,881,999 7 17 .006340436
L1 256,402,414 0.8961 286,131,474 12 1,751 .068370130
L1 214,536,559 0.8850 242,414,191 10 179 .046774022
L1 299,700,647 0.9766 306,881,678 8 62 .057962588
L1 235,880,777 0.9832 239,911,287 3 7 .011712311
Random Totals: 21,519,510,864   22,058,778,187 1,122 54,880  
Catg D1 Exception Values: 2,543,989   2,670,266      
Total Test Values (4): 21,522,054,853   22,061,448,453      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,103,072,422

Confidence Interval Values (5)

State Lower Limit: 20,958,376,031 (State Test Value minus Margin of Error Percent)
Local Test Value: 21,522,054,853 (Within Confidence Interval)
State Upper Limit: 23,164,520,875 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 21,796,621,658 (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, 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
(6) Includes local value of unstudied property categories and sub-categories