2008 Confidence Interval Detail
126/Johnson
126-908/Venus ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 32,431,968 | 0.9877 | 32,835,849 | 19 | 641 | .046082580 |
| A | 30,302,158 | 0.9807 | 30,898,499 | 15 | 409 | .007881104 |
| A | 33,668,258 | 0.9616 | 35,012,748 | 15 | 340 | .003362397 |
| A | 43,257,731 | 1.0123 | 42,732,126 | 25 | 288 | .009148457 |
| C | 5,318,435 | 0.5843 | 9,102,233 | 11 | 408 | .013601889 |
| C | 3,625,048 | 0.8201 | 4,420,251 | 11 | 234 | .055924586 |
| C | 5,532,706 | 0.9169 | 6,034,143 | 9 | 240 | .035135813 |
| C | 3,707,898 | 0.9609 | 3,858,776 | 8 | 106 | .048088607 |
| D3 | 17,211,087 | 0.9859 | 17,457,234 | 27 | 514 | .075517515 |
| G1 | 25,452,451 | 1.0054 | 25,315,746 | 5 | 23 | .000772018 |
| G1 | 27,008,938 | 1.0197 | 26,487,141 | 5 | 13 | .004478683 |
| G1 | 23,802,033 | 1.0115 | 23,531,422 | 5 | 8 | .000301987 |
| G1 | 23,896,998 | 1.0263 | 23,284,613 | 3 | 5 | .001519818 |
| Random Totals: | 275,215,709 | 280,970,781 | 158 | 3,229 | ||
| Catg J Exception Values: | 9,545,574 | 9,792,734 | ||||
| Catg D1 Exception Values: | 1,624,235 | 2,284,913 | ||||
| Total Test Values (4): | 286,385,518 | 293,048,428 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 14,652,421 |
Confidence Interval Values (5)
| State Lower Limit: | 278,396,007 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 286,385,518 | (Within Confidence Interval) |
| State Upper Limit: | 307,700,849 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 338,836,360 | (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