2006 Confidence Interval Detail
165/Midland
165-901/Midland ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 750,344,679 | 0.9240 | 812,061,341 | 49 | 12,048 | .022505227 |
| A | 750,140,365 | 0.9512 | 788,625,279 | 54 | 6,806 | .014285649 |
| A | 750,348,779 | 0.9851 | 761,698,080 | 54 | 4,578 | .013671071 |
| A | 749,805,839 | 0.9956 | 753,119,565 | 52 | 2,375 | .014025701 |
| F1 | 207,878,196 | 0.9473 | 219,442,833 | 52 | 1,565 | .066052448 |
| F1 | 208,705,536 | 1.0256 | 203,496,037 | 12 | 358 | .027222759 |
| F1 | 212,723,133 | 0.9694 | 219,437,934 | 7 | 108 | .020550867 |
| F1 | 200,458,611 | 0.9608 | 208,637,189 | 8 | 29 | .009875686 |
| G1 | 417,732,097 | 1.0446 | 399,896,704 | 9 | 514 | .018330888 |
| G1 | 416,001,466 | 1.0288 | 404,356,013 | 8 | 119 | .007784072 |
| G1 | 431,131,631 | 1.0292 | 418,899,758 | 6 | 23 | .011714820 |
| G1 | 398,368,014 | 1.0888 | 365,878,044 | 2 | 3 | .003313835 |
| L1 | 155,550,681 | 1.0775 | 144,362,581 | 9 | 1,988 | .006236763 |
| L1 | 155,895,480 | 1.0900 | 143,023,376 | 10 | 338 | .009296743 |
| L1 | 160,521,486 | 1.1397 | 140,845,386 | 9 | 96 | .069721853 |
| L1 | 148,544,688 | 0.9970 | 148,991,663 | 7 | 20 | .007287457 |
| Random Totals: | 6,114,150,681 | 6,132,771,783 | 348 | 30,968 | ||
| Catg D1 Exception Values: | 8,154,700 | 11,969,062 | ||||
| Total Test Values (4): | 6,122,305,381 | 6,144,740,845 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 307,237,042 |
Confidence Interval Values (5)
| State Lower Limit: | 5,837,503,803 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 6,122,305,381 | (Within Confidence Interval) |
| State Upper Limit: | 6,451,977,887 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 6,872,131,097 | (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