taxes Property Tax Assistance

2018 Confidence Interval Detail

043/Collin
043-917/Blue Ridge ISD

Category Summary

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

Stratum
Variance
A 18,040,783 0.9871 18,276,551 7 246 0.020371500
A 19,439,064 0.9673 20,096,210 10 152 0.002355077
A 24,733,335 0.9614 25,726,373 10 138 0.004231938
A 32,910,278 1.0028 32,818,387 10 91 0.002887743
E 148,186,995 0.9514 155,756,774 26 1027 0.016384039
Random Totals: 243,310,455 252,674,295 63 1,654
CATG D1 EXCEPTION VALUES: 4,129,480 2,686,234
CATG J EXCEPTION VALUES: 9,859,157 10,660,279
Total Test Values(2) 257,299,092 266,020,808

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,301,040

Confidence Interval Values(5)

Local Test Value: 257,299,092 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 252,719,768 (State Test Value minus Margin of Error Percent)
State Upper Limit: 279,321,848 (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