2007 Confidence Interval Detail
227/Travis
227-907/Manor ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 216,832,220 | 0.9074 | 238,959,907 | 12 | 1,938 | .003148992 |
| A | 216,848,465 | 0.9249 | 234,456,120 | 17 | 1,323 | .004204229 |
| A | 217,214,674 | 0.9718 | 223,517,878 | 24 | 1,089 | .003949818 |
| A | 216,304,967 | 0.9743 | 222,010,640 | 36 | 808 | .006329882 |
| B | 20,141,029 | 1.0142 | 19,859,031 | 6 | 18 | .020193959 |
| D3 | 126,352,924 | 0.9813 | 128,760,750 | 12 | 1,756 | .026127876 |
| F1 | 118,751,127 | 1.0699 | 110,992,735 | 7 | 126 | .007214272 |
| F1 | 117,196,443 | 0.9803 | 119,551,610 | 6 | 39 | .040301260 |
| F1 | 123,771,545 | 1.0458 | 118,351,066 | 7 | 19 | .033562212 |
| F1 | 109,656,175 | 1.0839 | 101,168,166 | 5 | 9 | .015679763 |
| L1 | 110,668,934 | 0.9847 | 112,388,478 | 8 | 239 | .002689940 |
| L1 | 111,958,768 | 0.9609 | 116,514,484 | 6 | 55 | .010833297 |
| L1 | 115,451,940 | 0.9910 | 116,500,444 | 6 | 18 | .003246954 |
| L1 | 100,252,916 | 0.9959 | 100,665,645 | 3 | 6 | .000293442 |
| Random Totals: | 1,921,402,127 | 1,963,696,954 | 155 | 7,443 | ||
| Catg D1 Exception Values: | 4,262,878 | 3,555,430 | ||||
| Catg B Exception Values: | 103,996,491 | 107,934,163 | ||||
| Total Test Values (4): | 2,029,661,496 | 2,075,186,547 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 103,759,327 |
Confidence Interval Values (5)
| State Lower Limit: | 1,971,427,220 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,029,661,496 | (Within Confidence Interval) |
| State Upper Limit: | 2,178,945,874 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,394,691,977 | (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