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246/Williamson
2016 Confidence Interval Detail
246/Williamson
246-904/Georgetown ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,248,655,343 | 0.9858 | 1,266,641,654 | 170 | 6,696 | .006448627 |
| A | 1,693,277,638 | 0.9894 | 1,711,418,676 | 172 | 6,631 | .008152534 |
| A | 1,595,312,012 | 0.9833 | 1,622,406,195 | 169 | 4,693 | .009611429 |
| A | 1,816,759,152 | 0.9811 | 1,851,757,366 | 131 | 3,534 | .009668781 |
| B | 66,083,436 | 0.9393 | 70,353,919 | 18 | 343 | .039744986 |
| B | 89,488,859 | 0.9766 | 91,633,073 | 12 | 256 | .007510316 |
| B | 46,455,683 | 0.8912 | 52,127,113 | 4 | 6 | .011249827 |
| F1 | 269,969,348 | 0.9001 | 299,932,616 | 14 | 506 | .042677601 |
| F1 | 281,499,343 | 0.9447 | 297,977,499 | 9 | 146 | .017734116 |
| F1 | 302,665,248 | 0.9016 | 335,697,924 | 8 | 52 | .027076001 |
| F1 | 302,212,348 | 0.9603 | 314,706,183 | 4 | 10 | .000705814 |
| L1 | 70,983,544 | 1.0120 | 70,141,842 | 10 | 623 | .031603658 |
| L1 | 81,811,798 | 1.0454 | 78,258,846 | 9 | 124 | .031457485 |
| L1 | 75,211,654 | 0.9800 | 76,746,586 | 8 | 28 | .004073910 |
| L1 | 80,007,977 | 0.9186 | 87,097,732 | 3 | 6 | .008984158 |
| Random Totals: | 8,020,393,383 | 8,226,897,224 | 741 | 23,654 | ||
| Catg D1 Exception Values: | 13,908,031 | 14,340,457 | ||||
| Catg B Exception Values: | 71,293,937 | 72,384,267 | ||||
| Total Test Values (4): | 8,105,595,351 | 8,313,621,948 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 415,681,097 |
Confidence Interval Values (5)
| State Lower Limit: | 7,897,940,851 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 8,105,595,351 | (Within Confidence Interval) |
| State Upper Limit: | 8,729,303,045 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 7,922,711,431 | (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