2009 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 | 14,723,811 | 0.8733 | 16,859,969 | 7 | 347 | .023378131 |
| A | 15,191,961 | 0.9133 | 16,634,141 | 7 | 208 | .016435627 |
| A | 14,962,150 | 0.9527 | 15,704,996 | 7 | 145 | .047706250 |
| A | 15,479,391 | 1.0561 | 14,657,126 | 7 | 89 | .012142516 |
| D3 | 43,214,934 | 0.9324 | 46,348,063 | 12 | 1,385 | .019375799 |
| F1 | 2,029,953 | 1.0397 | 1,952,441 | 6 | 44 | .005348202 |
| F1 | 1,739,054 | 1.0207 | 1,703,786 | 5 | 14 | .069744806 |
| F1 | 1,805,779 | 0.9892 | 1,825,494 | 5 | 7 | .057628727 |
| L1 | 1,346,873 | 1.1102 | 1,213,181 | 6 | 45 | .036081502 |
| L1 | 928,891 | 1.0095 | 920,150 | 4 | 7 | .002090187 |
| L1 | 1,166,520 | 1.0324 | 1,129,911 | 3 | 6 | .000067620 |
| Random Totals: | 112,589,317 | 118,949,258 | 69 | 2,297 | ||
| Catg J Exception Values: | 11,175,310 | 11,281,118 | ||||
| Catg D1 Exception Values: | 3,110,727 | 2,465,016 | ||||
| Catg F1 Exception Values: | 2,696,295 | 3,171,483 | ||||
| Catg L1 Exception Values: | 5,615,830 | 5,496,020 | ||||
| Total Test Values (4): | 135,187,479 | 141,362,895 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 7,068,145 |
Confidence Interval Values (5)
| State Lower Limit: | 134,294,750 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 135,187,479 | (Within Confidence Interval) |
| State Upper Limit: | 148,431,040 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 131,283,218 | (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