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246/Williamson
2016 Confidence Interval Detail
246/Williamson
166-905/Thorndale ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,773,000 | 1.0341 | 3,648,583 | 7 | 22 | .046544413 |
| E | 9,419,824 | 0.9874 | 9,540,028 | 12 | 109 | .103342576 |
| Random Totals: | 13,192,824 | 13,188,611 | 19 | 131 | ||
| Catg J Exception Values: | 783,457 | 865,066 | ||||
| Catg D1 Exception Values: | 2,142,019 | 2,262,394 | ||||
| Total Test Values (4): | 16,118,300 | 16,316,071 |
Margin of Error
| Margin of Error Percent: | 11.2314049 |
|---|---|
| Margin of Error Value: | 1,832,524 |
Confidence Interval Values (5)
| State Lower Limit: | 14,483,547 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 16,118,300 | (Within Confidence Interval) |
| State Upper Limit: | 18,148,595 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 16,038,762 | (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