2008 Confidence Interval Detail
241/Wharton
241-903/El Campo ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 92,742,912 | 0.9474 | 97,892,033 | 34 | 1,787 | .029467910 |
| A | 96,956,815 | 0.9047 | 107,170,128 | 24 | 999 | .034821153 |
| A | 105,985,570 | 0.9574 | 110,701,452 | 35 | 765 | .014085184 |
| A | 108,622,413 | 1.0270 | 105,766,712 | 15 | 486 | .016198710 |
| D3 | 85,977,560 | 1.0471 | 82,110,171 | 19 | 5,867 | .047025310 |
| F1 | 21,931,477 | 0.9127 | 24,029,229 | 11 | 269 | .025401136 |
| F1 | 22,424,951 | 0.7402 | 30,295,800 | 7 | 98 | .173598814 |
| F1 | 22,206,265 | 0.8653 | 25,663,082 | 6 | 31 | .030134828 |
| F1 | 21,719,262 | 0.9384 | 23,144,994 | 4 | 9 | .025011688 |
| G1 | 83,997,875 | 1.1248 | 74,678,054 | 8 | 88 | .062677721 |
| G1 | 84,022,640 | 1.0322 | 81,401,511 | 6 | 37 | .012882111 |
| G1 | 83,849,165 | 0.9359 | 89,592,013 | 6 | 20 | .058034809 |
| G1 | 80,849,220 | 1.0681 | 75,694,429 | 4 | 7 | .001938595 |
| Random Totals: | 911,286,125 | 928,139,608 | 179 | 10,463 | ||
| Catg J Exception Values: | 35,650,017 | 36,067,315 | ||||
| Catg D1 Exception Values: | 59,661,070 | 64,450,267 | ||||
| Total Test Values (4): | 1,006,597,212 | 1,028,657,190 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 51,432,860 |
Confidence Interval Values (5)
| State Lower Limit: | 977,224,330 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,006,597,212 | (Within Confidence Interval) |
| State Upper Limit: | 1,080,090,050 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,092,345,792 | (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