2008 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 | 82,348,121 | 0.9280 | 88,737,199 | 16 | 1,717 | .050924637 |
| A | 69,845,580 | 0.9972 | 70,041,697 | 18 | 850 | .006563062 |
| A | 134,681,890 | 0.9695 | 138,918,917 | 43 | 1,210 | .014644370 |
| A | 148,140,331 | 0.9671 | 153,179,951 | 31 | 807 | .010430647 |
| F1 | 27,214,623 | 1.0166 | 26,770,237 | 10 | 325 | .043843617 |
| F1 | 34,262,235 | 1.0150 | 33,755,897 | 10 | 153 | .035690378 |
| F1 | 29,871,238 | 0.9728 | 30,706,454 | 8 | 48 | .003593682 |
| F1 | 34,693,564 | 0.9775 | 35,492,137 | 6 | 16 | .005789701 |
| G1 | 23,784,750 | 0.9832 | 24,191,162 | 5 | 24 | .000231704 |
| G1 | 23,103,000 | 1.0135 | 22,795,264 | 4 | 8 | .001066951 |
| G1 | 20,130,600 | 1.0100 | 19,931,287 | 3 | 4 | .000590614 |
| L1 | 12,177,510 | 1.1718 | 10,392,140 | 7 | 284 | .060063145 |
| L1 | 14,575,705 | 1.0390 | 14,028,590 | 7 | 86 | .009858392 |
| L1 | 14,343,620 | 0.9230 | 15,540,217 | 7 | 31 | .015219593 |
| Random Totals: | 669,172,767 | 684,481,149 | 175 | 5,563 | ||
| Catg J Exception Values: | 35,308,873 | 35,343,580 | ||||
| Catg D1 Exception Values: | 12,878,877 | 13,905,201 | ||||
| Catg G1 Exception Values: | 20,648,770 | 20,349,612 | ||||
| Catg L1 Exception Values: | 12,863,760 | 13,395,611 | ||||
| Total Test Values (4): | 750,873,047 | 767,475,153 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 38,373,758 |
Confidence Interval Values (5)
| State Lower Limit: | 729,101,395 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 750,873,047 | (Within Confidence Interval) |
| State Upper Limit: | 805,848,911 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,085,833,353 | (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