2007 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 | 944,921,310 | 0.9628 | 981,430,526 | 29 | 12,191 | .020916650 |
| A | 944,310,589 | 0.9522 | 991,714,544 | 36 | 6,906 | .008123154 |
| A | 944,306,975 | 0.9640 | 979,571,551 | 56 | 4,684 | .004719244 |
| A | 944,361,177 | 0.9577 | 986,072,024 | 43 | 2,516 | .004712867 |
| F1 | 242,423,924 | 1.0055 | 241,097,886 | 36 | 1,572 | .128312730 |
| F1 | 241,901,871 | 0.9283 | 260,585,878 | 23 | 333 | .121242895 |
| F1 | 245,144,870 | 0.7488 | 327,383,640 | 8 | 100 | .063550038 |
| F1 | 239,062,545 | 0.8781 | 272,249,795 | 7 | 28 | .039823273 |
| G1 | 439,020,259 | 0.9932 | 442,026,036 | 7 | 496 | .005471295 |
| G1 | 440,604,969 | 0.9891 | 445,460,488 | 7 | 134 | .012704184 |
| G1 | 451,679,631 | 1.0438 | 432,726,222 | 6 | 35 | .003783653 |
| G1 | 418,248,841 | 0.9781 | 427,613,578 | 3 | 5 | .003955743 |
| L1 | 170,930,814 | 0.9877 | 173,059,445 | 7 | 1,918 | .031469386 |
| L1 | 170,783,863 | 1.0254 | 166,553,406 | 7 | 295 | .002663125 |
| L1 | 173,982,337 | 1.0028 | 173,496,547 | 6 | 79 | .000730295 |
| L1 | 167,571,686 | 1.0327 | 162,265,601 | 5 | 16 | .001279715 |
| Random Totals: | 7,179,255,661 | 7,463,307,167 | 286 | 31,308 | ||
| Catg D1 Exception Values: | 9,537,350 | 14,130,751 | ||||
| Total Test Values (4): | 7,188,793,011 | 7,477,437,918 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 373,871,896 |
Confidence Interval Values (5)
| State Lower Limit: | 7,103,566,022 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 7,188,793,011 | (Within Confidence Interval) |
| State Upper Limit: | 7,851,309,814 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 8,048,998,717 | (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