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239/Washington
2017 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 | 17,810,983 | 1.0698 | 16,648,890 | 13 | 280 | .026015850 |
| A | 17,942,382 | 0.9976 | 17,985,547 | 11 | 154 | .045721885 |
| A | 21,407,160 | 1.0744 | 19,924,758 | 10 | 130 | .022279982 |
| A | 22,766,480 | 1.0158 | 22,412,365 | 9 | 80 | .021875285 |
| E | 253,383,286 | 0.9169 | 276,347,787 | 22 | 1,458 | .031536255 |
| G1 | 13,985,176 | 0.9763 | 14,324,671 | 8 | 47 | .009009796 |
| G1 | 14,031,990 | 0.9791 | 14,331,519 | 6 | 15 | .014684391 |
| G1 | 14,929,040 | 1.0058 | 14,842,951 | 4 | 6 | .007298865 |
| Random Totals: | 376,256,497 | 396,818,488 | 83 | 2,170 | ||
| Catg J Exception Values: | 2,273,330 | 2,653,717 | ||||
| Catg D1 Exception Values: | 7,354,810 | 6,786,161 | ||||
| Catg G1 Exception Values: | 10,931,240 | 11,167,323 | ||||
| Total Test Values (4): | 396,815,877 | 417,425,689 |
Margin of Error
| Margin of Error Percent: | 5.0481388 |
|---|---|
| Margin of Error Value: | 21,072,228 |
Confidence Interval Values (5)
| State Lower Limit: | 396,353,461 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 396,815,877 | (Within Confidence Interval) |
| State Upper Limit: | 438,497,917 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 417,623,896 | (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, D2, E, 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