taxes Property Tax Assistance

2018 Confidence Interval Detail

177/Nolan
177-901/Roscoe Collegiate ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 8,946,900 0.7605 11,764,497 14 228 0.079058693
A 10,186,880 0.9384 10,855,584 13 126 0.091879475
A 9,006,290 0.9577 9,404,083 12 76 0.046187513
A 9,712,450 1.1070 8,773,668 10 42 0.017724316
E 12,994,130 0.9363 13,878,169 19 234 0.322583925
F1 2,407,340 0.9677 2,487,692 8 44 0.011646961
F1 1,745,730 0.9790 1,783,177 5 8 0.001840155
F1 2,523,350 1.0469 2,410,307 3 5 0.004413150
L1 1,052,710 1.0223 1,029,747 6 17 0.002920654
L1 1,111,230 1.0951 1,014,729 4 7 0.010773569
L1 1,304,630 0.9972 1,308,293 2 4 0.002323472
Random Totals: 60,991,640 64,709,946 96 791
CATG D1 EXCEPTION VALUES: 14,113,220 11,516,832
CATG F1 EXCEPTION VALUES: 1,772,580 1,708,711
CATG J EXCEPTION VALUES: 6,910,940 8,121,077
CATG L1 EXCEPTION VALUES: 12,299,590 12,224,330
Total Test Values(4) 96,087,970 98,280,896

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,914,045

Confidence Interval Values(5)

Local Test Value: 96,087,970 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 93,366,851 (State Test Value minus Margin of Error Percent)
State Upper Limit: 103,194,941 (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