2008 Confidence Interval Detail
230/Upshur
230-901/Big Sandy ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 14,031,040 | 1.0425 | 13,459,031 | 11 | 282 | .009456083 |
| A | 15,277,160 | 1.0898 | 14,018,315 | 10 | 179 | .030003109 |
| A | 12,961,630 | 1.0125 | 12,801,610 | 10 | 107 | .006761575 |
| A | 18,543,590 | 1.0634 | 17,438,020 | 10 | 99 | .006210057 |
| D3 | 55,683,263 | 0.9644 | 57,738,763 | 20 | 2,128 | .021619044 |
| F1 | 2,406,760 | 0.8989 | 2,677,450 | 6 | 40 | .086861027 |
| F1 | 4,933,880 | 0.9859 | 5,004,443 | 5 | 25 | .046308943 |
| F1 | 3,357,840 | 0.9548 | 3,516,799 | 3 | 6 | .042222426 |
| G1 | 4,100,006 | 0.8142 | 5,035,625 | 5 | 19 | .096675553 |
| Random Totals: | 131,295,169 | 131,690,056 | 80 | 2,885 | ||
| Catg J Exception Values: | 9,926,646 | 11,132,991 | ||||
| Catg D1 Exception Values: | 3,830,347 | 3,554,986 | ||||
| Catg G1 Exception Values: | 2,877,931 | 2,309,512 | ||||
| Total Test Values (4): | 147,930,093 | 148,687,545 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 7,434,377 |
Confidence Interval Values (5)
| State Lower Limit: | 141,253,168 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 147,930,093 | (Within Confidence Interval) |
| State Upper Limit: | 156,121,922 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 147,055,772 | (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