taxes Property Tax Assistance

2018 Confidence Interval Detail

109/Hill
109-913/Blum ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 4,471,940 0.9157 4,883,630 12 111 0.022786114
A 4,969,640 0.9501 5,230,649 13 75 0.060587833
A 4,445,360 0.9515 4,671,950 12 45 0.026941040
A 5,149,420 1.0299 4,999,922 10 29 0.004349566
E 52,133,040 0.9364 55,673,900 13 636 0.048183011
G1 2,439,272 0.9873 2,470,649 7 20 0.000132638
G1 2,320,410 0.9996 2,321,339 5 9 0.004987643
G1 2,289,484 0.9989 2,292,005 3 5 0.001882019
G1 1,969,128 1.0361 1,900,519 2 3 0.006186983
Random Totals: 80,187,694 84,444,563 77 933
CATG D1 EXCEPTION VALUES: 5,282,152 4,118,726
CATG J EXCEPTION VALUES: 15,861,547 12,492,499
Total Test Values(2) 101,331,393 101,055,788

Margin of Error

Margin of Error Percent: 6.6798578
Margin of Error Value: 6,750,383

Confidence Interval Values(5)

Local Test Value: 101,331,393 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 94,305,405 (State Test Value minus Margin of Error Percent)
State Upper Limit: 107,806,171 (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