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091/Grayson
2018 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 | 22,161,218 | 0.9491 | 23,349,719 | 10 | 312 | .048308302 |
| A | 31,295,148 | 1.0079 | 31,049,854 | 12 | 258 | .004820255 |
| A | 33,636,362 | 1.0050 | 33,469,017 | 10 | 193 | .001327125 |
| A | 36,507,624 | 0.9687 | 37,687,234 | 6 | 103 | .006482103 |
| E | 86,263,044 | 0.9824 | 87,808,473 | 18 | 524 | .004053234 |
| F1 | 4,502,613 | 0.8669 | 5,193,924 | 13 | 54 | .102256379 |
| F1 | 3,806,092 | 0.8417 | 4,521,910 | 8 | 14 | .112531235 |
| F1 | 3,166,877 | 1.0927 | 2,898,213 | 4 | 5 | .050006185 |
| Random Totals: | 221,338,978 | 225,978,344 | 81 | 1,463 | ||
| Catg J Exception Values: | 8,044,964 | 8,461,681 | ||||
| Catg D1 Exception Values: | 2,656,100 | 1,938,444 | ||||
| Catg F1 Exception Values: | 3,132,827 | 3,376,163 | ||||
| Total Test Values (4): | 235,172,869 | 239,754,632 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 11,987,731 |
Confidence Interval Values (5)
| State Lower Limit: | 227,766,901 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 235,172,869 | (Within Confidence Interval) |
| State Upper Limit: | 251,742,363 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 214,406,153 | (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, D2, E, 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