taxes Property Tax Assistance

2021 Confidence Interval Detail

Bell County
014-907/Rogers ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 14,270,285 0.9107 15,669,578 15 283 0.052157244
A 16,169,419 0.9899 16,334,396 18 135 0.042713240
A 18,992,842 1.1304 16,801,877 16 101 0.011894199
A 28,266,045 1.1288 25,040,791 15 93 0.020200610
E 147,079,440 0.9344 157,405,223 30 998 0.088058937
Random Totals: 224,778,031 231,251,865 94 1,610
CATG D1 EXCEPTION VALUES: 8,348,043 9,258,075
CATG J EXCEPTION VALUES: 595,155 972,583
Total Test Values 233,721,229 241,482,523

Margin of Error

Margin of Error Percent: 7.0127003
Margin of Error Value: 16,934,446

Confidence Interval Values(5)

Local Test Value: 233,721,229 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 224,548,077 (State Test Value minus Margin of Error Percent)
State Upper Limit: 258,416,969 (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