taxes Property Tax Assistance

2018 Confidence Interval Detail

091/Grayson
091-914/S and S CISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 53,341,481 1.0172 52,439,521 13 591 0.013685877
A 63,041,078 0.9272 67,990,809 15 346 0.024276652
A 64,599,554 0.9496 68,028,174 22 247 0.005952333
A 69,417,918 0.9195 75,495,289 6 162 0.013858981
E 100,184,744 1.0265 97,598,387 10 789 0.025508827
G1 11,077,671 1.0059 11,012,696 8 40 0.001688095
G1 11,369,845 1.0158 11,192,996 6 14 0.000134514
G1 10,887,525 1.0154 10,722,400 4 8 0.000614910
G1 9,559,452 1.0056 9,506,217 3 4 0.000244497
Random Totals: 393,479,268 403,986,489 87 2,201
CATG D1 EXCEPTION VALUES: 5,770,513 3,971,878
CATG J EXCEPTION VALUES: 17,043,330 19,496,929
Total Test Values(2) 416,293,111 427,455,296

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 21,372,765

Confidence Interval Values(5)

Local Test Value: 416,293,111 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 406,082,531 (State Test Value minus Margin of Error Percent)
State Upper Limit: 448,828,061 (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