2010 Confidence Interval Detail
091/Grayson
091-910/Whitewright ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 16,474,558 | 0.9901 | 16,639,287 | 14 | 378 | .005356063 |
| A | 13,855,827 | 0.9062 | 15,290,032 | 14 | 187 | .031900039 |
| A | 15,480,393 | 0.9325 | 16,600,958 | 14 | 148 | .013716296 |
| A | 15,318,028 | 0.9209 | 16,633,758 | 13 | 81 | .011945512 |
| D3 | 46,395,569 | 1.0276 | 45,149,444 | 20 | 1,387 | .013359498 |
| F1 | 2,133,551 | 0.9059 | 2,355,173 | 8 | 42 | .166249734 |
| F1 | 2,658,399 | 1.0064 | 2,641,493 | 7 | 18 | .008882995 |
| F1 | 1,793,379 | 1.0188 | 1,760,286 | 5 | 6 | .008956567 |
| L1 | 1,528,240 | 1.1601 | 1,317,335 | 6 | 39 | .034259598 |
| L1 | 2,164,371 | 1.0294 | 2,102,556 | 4 | 8 | .000387451 |
| Random Totals: | 117,802,315 | 120,490,322 | 105 | 2,294 | ||
| Catg J Exception Values: | 10,735,004 | 11,918,160 | ||||
| Catg D1 Exception Values: | 3,055,666 | 2,348,734 | ||||
| Catg F1 Exception Values: | 2,131,894 | 2,328,791 | ||||
| Catg L1 Exception Values: | 5,824,705 | 3,458,946 | ||||
| Total Test Values (4): | 139,549,584 | 140,544,953 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 7,027,248 |
Confidence Interval Values (5)
| State Lower Limit: | 133,517,705 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 139,549,584 | (Within Confidence Interval) |
| State Upper Limit: | 147,572,201 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 133,314,273 | (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