taxes Property Tax Assistance

2018 Confidence Interval Detail

090/Gray
090-903/McLean ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 3,117,910 0.5796 5,379,417 14 199 0.066905439
A 3,298,430 1.0070 3,275,501 17 87 0.067709989
A 3,246,260 0.9530 3,406,359 14 43 0.038424909
A 3,066,250 1.0688 2,868,872 13 23 0.035114698
E 9,243,170 0.9163 10,087,493 20 167 0.046768957
G1 6,823,680 1.0175 6,706,319 15 186 0.024573729
G1 6,808,440 1.0624 6,408,547 15 90 0.009601500
G1 6,943,200 0.9919 6,999,899 15 51 0.003730872
G1 6,653,050 1.0122 6,572,861 15 18 0.007979297
Random Totals: 49,200,390 51,705,268 138 864
CATG D1 EXCEPTION VALUES: 6,892,490 7,171,105
CATG J EXCEPTION VALUES: 650 673
Total Test Values(2) 56,093,530 58,877,046

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,943,852

Confidence Interval Values(5)

Local Test Value: 56,093,530 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 55,933,194 (State Test Value minus Margin of Error Percent)
State Upper Limit: 61,820,898 (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