taxes Property Tax Assistance

2018 Confidence Interval Detail

043/Collin
043-903/Celina ISD

Category Summary

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

Stratum
Variance
A 157,360,538 0.9684 162,495,392 50 736 .007450052
A 233,460,095 0.9846 237,111,614 70 817 .004110126
A 216,568,185 0.9766 221,757,306 39 559 .006588003
A 233,797,401 0.9911 235,896,883 26 399 .002640286
E 319,762,640 0.9476 337,444,745 23 1,016 .017169447
Random Totals: 1,160,948,859   1,194,705,940 208 3,527  
Catg D1 Exception Values: 6,101,934   4,335,909      
Total Test Values (4): 1,167,050,793   1,199,041,849      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 59,952,092

Confidence Interval Values (5)

State Lower Limit: 1,139,089,757 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,167,050,793 (Within Confidence Interval)
State Upper Limit: 1,258,993,941 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,326,016,062 (See ISD Summary Worksheet)

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
(6) Includes local value of unstudied property categories and sub-categories