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246/Williamson
2018 Confidence Interval Detail
246/Williamson
014-902/Bartlett ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,721,293 | 0.9118 | 5,177,992 | 13 | 109 | .060932022 |
| A | 6,224,688 | 1.0122 | 6,149,662 | 16 | 83 | .031552804 |
| A | 8,949,236 | 0.9580 | 9,341,582 | 15 | 88 | .063556826 |
| A | 12,701,716 | 0.9487 | 13,388,549 | 13 | 81 | .012176643 |
| E | 8,649,545 | 0.9797 | 8,828,769 | 18 | 182 | .014149886 |
| F1 | 972,251 | 0.9566 | 1,016,361 | 7 | 19 | .005287372 |
| F1 | 1,546,460 | 0.9865 | 1,567,623 | 6 | 16 | .008206844 |
| F1 | 1,218,602 | 1.0110 | 1,205,343 | 3 | 4 | .003708955 |
| L1 | 1,267,967 | 1.4413 | 879,738 | 8 | 31 | .035749568 |
| Random Totals: | 46,251,758 | 47,555,619 | 99 | 613 | ||
| Catg J Exception Values: | 2,677,307 | 3,047,588 | ||||
| Catg D1 Exception Values: | 5,563,524 | 6,418,226 | ||||
| Catg F1 Exception Values: | 678,256 | 688,500 | ||||
| Catg L1 Exception Values: | 777,100 | 777,100 | ||||
| Total Test Values (4): | 55,947,945 | 58,487,033 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,924,351 |
Confidence Interval Values (5)
| State Lower Limit: | 55,562,682 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 55,947,945 | (Within Confidence Interval) |
| State Upper Limit: | 61,411,384 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 51,314,311 | (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