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091/Grayson
2016 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 | 11,030,748 | 1.0013 | 11,016,427 | 10 | 234 | .009728132 |
| A | 19,967,917 | 1.0032 | 19,904,223 | 12 | 244 | .001167370 |
| A | 34,715,238 | 0.9884 | 35,122,661 | 13 | 279 | .005609100 |
| A | 28,998,453 | 1.0101 | 28,708,497 | 9 | 104 | .004697182 |
| E | 66,269,506 | 0.9979 | 66,408,965 | 15 | 497 | .012878149 |
| F1 | 2,957,107 | 0.7009 | 4,219,014 | 8 | 47 | .260757001 |
| F1 | 2,901,212 | 0.8412 | 3,448,897 | 6 | 14 | .023430065 |
| F1 | 4,978,122 | 0.9416 | 5,286,876 | 2 | 4 | .000882292 |
| Random Totals: | 171,818,303 | 174,115,560 | 75 | 1,423 | ||
| Catg J Exception Values: | 8,732,031 | 9,686,702 | ||||
| Catg D1 Exception Values: | 2,760,921 | 2,344,980 | ||||
| Catg F1 Exception Values: | 3,167,062 | 3,538,580 | ||||
| Total Test Values (4): | 186,478,317 | 189,685,822 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 9,484,291 |
Confidence Interval Values (5)
| State Lower Limit: | 180,201,531 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 186,478,317 | (Within Confidence Interval) |
| State Upper Limit: | 199,170,113 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 170,607,855 | (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