taxes Property Tax Assistance

2016 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	129,026,486	0.9649	133,720,060	13	1,943	.036022492
A	128,526,340	0.9357	137,358,491	15	1,132	.013989825
A	136,657,305	0.9642	141,731,285	10	926	.027837590
A	144,307,778	1.0140	142,315,363	17	605	.003987241
F1	39,464,500	1.0029	39,350,384	10	338	.038228218
F1	39,462,025	0.9824	40,168,999	9	116	.022261278
F1	44,352,267	0.9186	48,282,459	8	41	.020287143
F1	43,663,880	0.9790	44,600,490	5	10	.004330909
L1	14,210,551	1.0218	13,907,370	10	248	.006217078
L1	13,957,610	1.0352	13,483,008	9	64	.012166992
L1	22,114,460	0.9649	22,918,914	8	19	.012768683
Random Totals:	755,743,202		777,836,823	114	5,442
Catg J Exception Values:	15,242,410		15,207,332
Catg D1 Exception Values:	14,038,267		15,243,017
Total Test Values (4):	785,023,879		808,287,172

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	40,414,358

Confidence Interval Values (5)

State Lower Limit:	767,872,814	(State Test Value minus Margin of Error Percent)
Local Test Value:	785,023,879	(Within Confidence Interval)
State Upper Limit:	848,701,530	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	1,128,784,998	(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, D3, 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