taxes Property Tax Assistance

2024 Confidence Interval Detail

Rockwall County
199-902/Royse City ISD

Category Summary

(1)
Category 		(1)
Stratum
Number 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 2 1,126,607,852 1.0369 1,086,515,433 73 3,742 0.007499870
A 3 696,060,264 1.0232 680,277,819 74 1,954 0.007965111
A 4 816,211,450 1.0176 802,094,585 72 1,969 0.004255773
A 5 807,224,189 1.0279 785,313,930 55 1,357 0.006460135
Random Totals: 3,446,103,755 3,354,201,767 274 9,022
CATG D1 EXCEPTION VALUES: 1,380,614 1,280,882
Total Test Values 3,447,484,369 3,355,482,649

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 167,774,132

Confidence Interval Values(5)

Local Test Value: 3,447,484,369 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 3,187,708,517 (State Test Value minus Margin of Error Percent)
State Upper Limit: 3,523,256,781 (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