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091/Grayson
2016 Confidence Interval Detail
091/Grayson
091-914/S and S CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 40,442,376 | 1.0126 | 39,939,143 | 18 | 588 | .005710384 |
| A | 44,486,468 | 1.0188 | 43,665,556 | 12 | 303 | .008189066 |
| A | 57,684,129 | 0.9550 | 60,402,229 | 14 | 253 | .016349077 |
| A | 62,729,399 | 0.9887 | 63,446,343 | 9 | 157 | .013168792 |
| E | 82,397,627 | 1.0167 | 81,044,189 | 16 | 789 | .009606818 |
| G1 | 9,231,713 | 1.0027 | 9,206,854 | 8 | 40 | .005990590 |
| G1 | 9,448,933 | 1.0011 | 9,438,551 | 6 | 13 | .001099138 |
| G1 | 8,698,251 | 1.0592 | 8,212,095 | 4 | 8 | .076731074 |
| Random Totals: | 315,118,896 | 315,354,960 | 87 | 2,151 | ||
| Catg J Exception Values: | 9,752,234 | 10,531,477 | ||||
| Catg D1 Exception Values: | 5,987,828 | 4,820,922 | ||||
| Catg G1 Exception Values: | 8,754,841 | 8,409,431 | ||||
| Total Test Values (4): | 339,613,799 | 339,116,790 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 16,955,839 |
Confidence Interval Values (5)
| State Lower Limit: | 322,160,951 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 339,613,799 | (Within Confidence Interval) |
| State Upper Limit: | 356,072,629 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 329,885,353 | (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