2009 Confidence Interval Detail
091/Grayson
091-917/Gunter ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 28,858,398 | 0.9562 | 30,180,295 | 15 | 293 | .028542745 |
| A | 23,490,825 | 0.9576 | 24,530,937 | 15 | 123 | .016028035 |
| A | 26,792,597 | 1.0197 | 26,274,980 | 15 | 101 | .007495296 |
| A | 32,000,060 | 1.0661 | 30,016,002 | 15 | 81 | .010820936 |
| C | 4,967,371 | 1.0293 | 4,825,970 | 12 | 152 | .024548166 |
| C | 6,270,250 | 0.9133 | 6,865,488 | 12 | 100 | .034165353 |
| C | 4,522,947 | 1.0493 | 4,310,442 | 10 | 44 | .016554123 |
| C | 4,978,796 | 1.0040 | 4,958,960 | 9 | 30 | .003141517 |
| D3 | 44,692,339 | 0.9917 | 45,066,390 | 20 | 1,146 | .004412506 |
| Random Totals: | 176,573,583 | 177,029,464 | 123 | 2,070 | ||
| Catg J Exception Values: | 11,272,780 | 12,362,681 | ||||
| Catg D1 Exception Values: | 5,056,482 | 3,973,612 | ||||
| Total Test Values (4): | 192,902,845 | 193,365,757 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 9,668,288 |
Confidence Interval Values (5)
| State Lower Limit: | 183,697,469 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 192,902,845 | (Within Confidence Interval) |
| State Upper Limit: | 203,034,045 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 216,487,673 | (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