2009 Confidence Interval Detail
158/Matagorda
158-902/Tidehaven ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 16,304,560 | 0.9064 | 17,988,261 | 9 | 433 | .050172870 |
| A | 16,919,310 | 0.9587 | 17,648,180 | 9 | 248 | .034088989 |
| A | 16,796,820 | 0.9194 | 18,269,328 | 10 | 149 | .012992634 |
| A | 17,004,420 | 1.0191 | 16,685,723 | 10 | 93 | .008422680 |
| D3 | 43,848,673 | 0.8953 | 48,976,514 | 22 | 2,950 | .016849102 |
| G1 | 20,401,270 | 1.0022 | 20,356,486 | 5 | 25 | .020920876 |
| G1 | 19,011,330 | 1.0308 | 18,443,277 | 4 | 9 | .004800992 |
| G1 | 19,670,490 | 1.0772 | 18,260,759 | 3 | 6 | .110802520 |
| G1 | 17,278,650 | 1.0440 | 16,550,431 | 2 | 3 | .000814620 |
| Random Totals: | 187,235,523 | 193,178,959 | 74 | 3,916 | ||
| Catg J Exception Values: | 53,622,249 | 54,489,807 | ||||
| Catg D1 Exception Values: | 26,305,244 | 29,089,370 | ||||
| Catg G1 Exception Values: | 40,622,420 | 41,452,227 | ||||
| Total Test Values (4): | 307,785,436 | 318,210,363 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 15,910,518 |
Confidence Interval Values (5)
| State Lower Limit: | 302,299,845 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 307,785,436 | (Within Confidence Interval) |
| State Upper Limit: | 334,120,881 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 819,265,948 | (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