2010 Confidence Interval Detail
178/Nueces
178-909/Robstown ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 38,527,671 | 0.9734 | 39,580,513 | 15 | 1,323 | .009042251 |
| A | 60,400,954 | 0.9405 | 64,222,173 | 15 | 1,249 | .003861401 |
| A | 58,626,935 | 0.9725 | 60,284,766 | 15 | 792 | .006030517 |
| A | 58,127,241 | 0.9776 | 59,459,125 | 15 | 469 | .003835913 |
| F1 | 11,339,576 | 0.9594 | 11,819,445 | 9 | 183 | .014107197 |
| F1 | 11,547,769 | 0.9585 | 12,047,751 | 8 | 53 | .012851195 |
| F1 | 13,068,772 | 0.9681 | 13,499,403 | 7 | 24 | .006157593 |
| F1 | 9,280,494 | 1.0123 | 9,167,731 | 5 | 7 | .007412932 |
| L1 | 15,030,712 | 1.0162 | 14,791,096 | 9 | 122 | .049954577 |
| L1 | 9,411,155 | 0.9128 | 10,310,205 | 6 | 11 | .026667716 |
| L1 | 19,386,056 | 1.0021 | 19,345,431 | 3 | 9 | .000311956 |
| L1 | 21,314,860 | 0.9536 | 22,351,992 | 2 | 2 | .064055560 |
| Random Totals: | 326,062,195 | 336,879,631 | 109 | 4,244 | ||
| Catg J Exception Values: | 13,838,894 | 13,010,975 | ||||
| Catg D1 Exception Values: | 15,520,379 | 16,861,666 | ||||
| Total Test Values (4): | 355,421,468 | 366,752,272 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 18,337,614 |
Confidence Interval Values (5)
| State Lower Limit: | 348,414,658 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 355,421,468 | (Within Confidence Interval) |
| State Upper Limit: | 385,089,886 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 337,016,590 | (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