2008 Confidence Interval Detail
239/Washington
239-903/Burton ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 9,629,050 | 0.8073 | 11,927,474 | 12 | 263 | .070522804 |
| A | 9,650,970 | 0.9885 | 9,763,247 | 10 | 131 | .037285483 |
| A | 11,774,150 | 1.0529 | 11,182,591 | 9 | 111 | .026654762 |
| A | 14,466,200 | 1.1918 | 12,138,110 | 9 | 79 | .044370127 |
| D3 | 165,839,615 | 1.0259 | 161,652,807 | 20 | 3,392 | .028397689 |
| G1 | 37,834,050 | 0.9909 | 38,181,502 | 7 | 35 | .000625341 |
| G1 | 38,320,185 | 0.9794 | 39,126,184 | 7 | 20 | .002712457 |
| G1 | 36,281,360 | 0.8861 | 40,944,995 | 6 | 13 | .074337172 |
| G1 | 35,302,610 | 1.0015 | 35,249,735 | 4 | 7 | .000012538 |
| Random Totals: | 359,098,190 | 360,166,645 | 84 | 4,051 | ||
| Catg D1 Exception Values: | 7,433,528 | 7,075,218 | ||||
| Total Test Values (4): | 366,531,718 | 367,241,863 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 18,362,093 |
Confidence Interval Values (5)
| State Lower Limit: | 348,879,770 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 366,531,718 | (Within Confidence Interval) |
| State Upper Limit: | 385,603,956 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 386,798,576 | (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