taxes Property Tax Assistance

2018 Confidence Interval Detail

119/Jack
119-903/Perrin-Whitt CISD

Category Summary

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

Stratum
Variance
A 1,286,580 0.8679 1,482,406 9 51 0.026005253
A 1,314,410 0.8744 1,503,214 7 31 0.027185432
A 1,206,950 0.9839 1,226,700 7 19 0.004485006
A 1,107,090 0.9754 1,135,011 5 11 0.002407849
E 29,352,150 0.7991 36,731,510 21 673 0.082992298
G1 2,976,980 0.9958 2,989,536 15 124 0.077381368
G1 3,093,100 0.9870 3,133,840 15 27 0.036485360
G1 3,135,260 1.0171 3,082,548 8 11 0.013733325
Random Totals: 43,472,520 51,284,765 87 947
CATG D1 EXCEPTION VALUES: 5,332,040 5,437,884
CATG G1 EXCEPTION VALUES: 6,468,600 6,257,336
CATG J EXCEPTION VALUES: 11,230,580 11,040,003
Total Test Values(3) 66,503,740 74,019,988

Margin of Error

Margin of Error Percent: 6.1507885
Margin of Error Value: 4,552,813

Confidence Interval Values(5)

Local Test Value: 66,503,740 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 69,467,175 (State Test Value minus Margin of Error Percent)
State Upper Limit: 78,572,801 (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