taxes Property Tax Assistance

2021 Confidence Interval Detail

Gray County
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 3,626,890 0.7336 4,943,961 15 216 0.069909550
A 3,840,500 0.9688 3,964,182 16 94 0.123652033
A 4,422,570 0.9979 4,431,877 15 61 0.169399974
A 4,361,350 1.1218 3,887,814 16 31 0.060094016
E 12,930,530 1.0411 12,420,065 20 167 0.332842242
G1 2,478,433 0.9788 2,532,114 10 223 0.252903856
G1 2,505,361 1.0143 2,470,039 9 70 0.137826074
G1 2,525,381 1.0856 2,326,254 8 33 0.034147788
G1 2,389,007 1.1449 2,086,651 6 12 0.156212608
Random Totals: 39,080,022 39,062,957 115 907
CATG D1 EXCEPTION VALUES: 6,891,640 6,820,633
CATG J EXCEPTION VALUES: 8,687,050 9,084,406
Total Test Values 54,658,712 54,967,996

Margin of Error

Margin of Error Percent: 6.2092130
Margin of Error Value: 3,413,080

Confidence Interval Values(5)

Local Test Value: 54,658,712 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 51,554,916 (State Test Value minus Margin of Error Percent)
State Upper Limit: 58,381,076 (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