taxes Property Tax Assistance

2018 Confidence Interval Detail

158/Matagorda
158-901/Bay City ISD

Category Summary

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

Stratum
Variance
A 136,766,499 0.8996 152,030,346 14 1,968 .020542120
A 140,048,229 0.9405 148,908,271 23 1,173 .008315027
A 146,883,820 0.9396 156,325,905 22 933 .021512713
A 146,883,925 0.9605 152,924,440 15 575 .004703784
B 69,600,848 0.9666 72,005,843 7 41 .020908321
F1 86,478,602 0.9880 87,528,949 7 446 .028356653
F1 111,424,824 1.0127 110,027,475 8 54 .012051230
Random Totals: 838,086,747   879,751,229 96 5,190  
Catg J Exception Values: 16,106,520   16,993,073      
Catg D1 Exception Values: 14,053,581   14,167,503      
Total Test Values (4): 868,246,848   910,911,805      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 45,545,590

Confidence Interval Values (5)

State Lower Limit: 865,366,215 (State Test Value minus Margin of Error Percent)
Local Test Value: 868,246,848 (Within Confidence Interval)
State Upper Limit: 956,457,395 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,300,140,101 (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